First Jenni hosted the second round of preliminary eliminations for the Rehab Bikini Invitational 2013 at the Hard Rock cafe.
Later she headed over to the Encore Beach Club in Encore at Wynn Las Vegas to host a pool party – wearing a teeny bikini with white hearts and pink lace. That night the former Jersey Shore star and her friends partied it up at at Surrender Nightclub.
We have the photos from JWoww's big weekend below!
TELL US – WHICH SWIMSUIT IS THE BETTER LOOK FOR JWOWW?
CLICK THE CONTINUE READING BUTTON FOR THE PHOTOS
Photo Credit: Getty & Aaron Garcia