Shea Mikalauskis, a high school senior graduating from Boston Latin Academy, poses for a portrait for Reuters in her prom dress the day before what was supposed to be her prom, which was cancelled due to the coronavirus disease (COVID-19) outbreak, at Ponkapoag Pond in Canton, Massachusetts, U.S. May 21, 2020.

Lauren Copeland, Camille Steiger, Ruby Roberts, Micah Long and Elizabeth Toomey, high school seniors graduating from Dana Hall School, put on masks while posing for photographs for Reuters in their prom dresses, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at the Eustis Estate in Milton, Massachusetts, U.S. May 16, 2020.

Medway High School students Caroline Dickie, Aoife Bergeron, Olivia Dennehey, and Lauren Norton, pose for photographs for Reuters in their prom attire, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Choate Park in Medway, Massachusetts, U.S. May 17, 2020.

Olivia Dennehey, Caroline Dickie, and Lauren Norton, seniors graduating from Medway High School, pose for photographs for Reuters in their prom dress, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Choate Park in Medway, Massachusetts, U.S. May 17, 2020.

Elizabeth Toomey, Camille Steiger, Ruby Roberts, Micah Long, and Lauren Copeland, high school seniors graduating from Dana Hall School, pose for photographs for Reuters in their prom dresses, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at the Eustis Estate in Milton, Massachusetts, U.S. May 16, 2020.

Caroline Afonso, MK Rusnock, and Maeve O'Toole, high school seniors graduating from Ursuline Academy, wear their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, to pose for photographs for Reuters in West Roxbury, Massachusetts, U.S. May 8, 2020.

Lauren Copeland gets ready to drive away with her classmates Elizabeth Toomey, Camille Steiger, and Ruby Roberts, all high school seniors graduating from Dana Hall School, after posing for photographs for Reuters in their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at the Eustis Estate in Milton, Massachusetts, U.S. May 16, 2020.

Cohasset High School seniors Lauren Fein, Emily Appleton and Page Hewitt get ready to pose for photographs for Reuters in their prom dresses, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Cohasset, Massachusetts, U.S. May 20, 2020.

Graduating Cohasset High School seniors Emily Appleton, Lauren Fein, and Page Hewitt, stand on the town common while posing for photographs for Reuters in their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Cohasset, Massachusetts, U.S. May 20, 2020.

Lucie Mareira, a high school senior graduating from Boston Latin Academy, poses for a portrait for Reuters in her prom dress, the day before what was supposed to be her prom which was cancelled due to the coronavirus disease (COVID-19) outbreak, at Ponkapoag Pond in Canton, Massachusetts, U.S. May 21, 2020.

Mila Contreras-Godfrey, a graduating senior at Beaver Country Day School, holds a dandelion while posing for photographs for Reuters in her prom dress, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at Larz Anderson Park in Brookline, Massachusetts, U.S. May 22, 2020.

Thomas Stone, a high school junior at Boston Latin School, and Maeve O'Toole and MK Rusnock, high school seniors graduating from Ursuline Academy, wear their prom attire while posing for photographs for Reuters after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in the Arnold Arboretum in West Roxbury, Massachusetts, United States May 8, 2020.

Gwyn McLear, a graduating senior at Beaver Country Day School, lies in the grass while posing for photographs for Reuters in her prom dress, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at Larz Anderson Park in Brookline, Massachusetts, U.S. May 22, 2020.

Medway High School students Olivia Dennehey and Aoife Bergeron sit on a park bench in their prom attire while posing for photographs for Reuters after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Choate Park in Medway, Massachusetts, U.S. May 17, 2020.

Lucie Mareira and Shea Mikalauskis, high school seniors graduating from Boston Latin Academy, walk through Ponkapoag Pond while posing for photographs for Reuters in their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Canton, Massachusetts, U.S. May 21, 2020.

Maeve O’Toole, a high school senior graduating from Ursuline Academy, and Thomas Stone, a high school junior at Boston Latin School, walk through the Arnold Arboretum in their prom attire while posing for photographs for Reuters, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in West Roxbury, Massachusetts, U.S. May 8, 2020.

Cohasset High School seniors Lauren Fein, Emily Appleton and Page Hewitt get ready to pose for photographs for Reuters in their prom dresses, after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Cohasset, Massachusetts, U.S. May 20, 2020.

Yisam Laracuente, a high-school senior graduating from Margarita Muniz Academy, poses for a portrait for Reuters, after his prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at Jamaica Pond in Jamaica Plain, Massachusetts, U.S. May 22, 2020.

Graduating Cohasset High School senior Emily Appleton, who plans to attend Dartmouth College to swim and study Biomedical Engineering, poses for photographs for Reuters in her prom dress, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Cohasset, Massachusetts, U.S. May 20, 2020.

Lauren Norton, a senior graduating from Medway High School, blows dandelion seeds while posing for photographs for Reuters in her prom dress, after her prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Choate Park in Medway, Massachusetts, U.S. May 17, 2020.

Caroline Afonso and MK Rusnock, high school seniors graduating from Ursuline Academy, walk through the Arnold Arboretum while posing for photographs for Reuters in their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in West Roxbury, Massachusetts, U.S. May 8, 2020.

Graduating Cohasset High School senior Lauren Fein, with classmates Emily Appleton and Page Hewitt hidden behind U.S. flags, poses for photographs for Reuters in her prom dress, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Cohasset, Massachusetts, U.S. May 20, 2020.

Mila Contreras-Godfrey, Katie Reisig, Gwyn McLear and Melina Bertsekas, high school seniors graduating from Beaver Country Day School, walk through Larz Anderson Park while posing for photographs for Reuters in their prom dresses, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, in Brookline, Massachusetts, U.S. May 22, 2020.

Mila Contreras-Godfrey, a graduating senior at Beaver Country Day School, waits in her prom dress for her classmates to arrive to pose for photographs for Reuters, after prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at Larz Anderson Park in Brookline, Massachusetts, U.S. May 22, 2020.

Maeve O'Toole, a high school senior graduating from Ursuline Academy, and Thomas Stone, a high school junior at Boston Latin School, wear their prom attire while posing for photographs for Reuters after their prom was cancelled due to the coronavirus disease (COVID-19) outbreak, at the Arnold Arboretum in West Roxbury, Massachusetts, U.S. May 8, 2020.