Why So Serious? See How the Stars Are Having Fashion Fun on Instagram

From Sarah Jessica Parker's flirty floral dress to Lady Gaga's full-body fishnet, this group tried out every style.

Emmy looked chic at the beach in this white one-piece.

Rita went for a dramatic look in thigh-high sandals and a fur coat.

Rihanna may have taken a spill, but at least she did it in style.

Taylor and Lorde coordinated their outfits for a day at the beach.

Lorde rocked this dramatic layered look in Stockholm, Sweden.

Hailee shared these chic snapshots from a recent photo shoot.

Joy was the most stylish snowboarder we've ever seen.

This dazzling ring was Kerry's brightest accessory at the NAACP Image Awards.

Olivia showed off her baby bump in a bright maxi dress.

Sophia stood out in the crowd in a Winter white dress.

Kat was dressed to the nines with costar Beth Behrs.