Article continues below advertisementJessica Alba embraced the sun, sand and sultry style during a luxe trip to Australia.The actress, 44, exposed her sand-covered butt in a skimpy bikini in photos shared on Monday, October 20. Alba lounged on the beach in a printed swimsuit top and thong from BANANHOT.Article continues below advertisementSource: @jessicaalba/InstagramJessica Alba sizzled in a cheeky bikini.She lay face down on a towel, shading her complexion with black sunglasses and a trucker hat with an "LA" logo.