Costume designer Jessica Flaherty tells PEOPLE how she and Jenny Han landed on the beautiful lilac prom dress Belly wears in season 2 Much like Han 2010's novel, It's Not Summer Without You, the ...

Julia Stiles as Kat Stratford in '10 Things I Hate About You,' 1999; Christopher Briney as Conrad and Lola Tung as Belly on 'The Summer I Turned Pretty'; Kristen Stewart as Bella Swan in 'Twilight,' ...

Spring is in the air. And as adults degunk their gutters and youngsters pump up their neglected bicycle tires, teens are preparing for their own springtime ritual -- the prom. For teen-age girls, this ...

Costume designer Jessica Flaherty tells PEOPLE how she and Jenny Han landed on the beautiful lilac prom dress Belly wears in season 2 Kelsie Gibson is the Senior News Editor of Society and Culture at ...