Jessica Biel Backflips in Her Swimsuit to Celebrate 2 Million Instagram Followers

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Flipping for joy! Jessica Biel took to Instagram on Monday as she reached a new milestone number of followers.

Posting a mini-video of herself in a swimsuit doing a backflip off a boat, Biel wrote, “I’m flipping out, you guys: 2 million! Thank you.”

WATCH: Jessica Biel and Justin Timberlake Show Off Incredible Beach Bods on Caribbean Vacation

In the clip, Justin Timberlake’s stunning actress wife is wearing black bikini bottoms and a long-sleeved crop top that shows off her killer abs.

The A-list couple recently vacationed together in the Caribbean, and were spotting looking fit and fierce on the beach last Thursday. They celebrated their 4-year wedding anniversary just last month.

The proud parents also took their son, Silas, out trick-or-treating for Halloween in matching costumes from JT’s new animated movie, Trolls.

WATCH: Justin Timberlake and Jessica Biel Dress Up as Trolls for Halloween With Cute Son Silas: Pics!

Timberlake posted a pic of the trio, writing, “When you make your whole family dress up as the characters from the movie you’re in but your wife secretly loves it and your son won’t keep his troll wig on… Shoutout to @jessicabiel #2BranchesandaPoppy #Trolls #didIuseaholidayforselfpromo Happy Halloween, everybody!!!!”

For more from Timberlake and Biel’s paradise getaway, watch the clip below!