Miley Cyrus shared an iconic throwback.
Karlie Kloss and Emily Rajatowski hung out in Paris.
Katy Perry had an American-themed party in Paris.
Shay Mitchell ate poolside in Mykonos.
Ashley Tisdale wore a one-piece and sneakers.
Reese Witherspoon hung out with her daughter.
Mariah Carey posed with flowers and flags.
Hilary Duff partied with some patriotic props.
Sarah Hyland spent the day with friends.
Nick Jonas kept this family tradition alive.
Ayesha and Steph Curry celebrated on a yacht.
Vanessa Hudgens got festive.
Hailee Steinfeld went to the beach.