But the private party was interrupted when one of the girls' boyfriends came looking for her and found the group naked in the outdoor hot tub. Leal, the young woman with whom 33-year-old Kutcher allegedly cheated on Moore, and one of her friends were the only girls who reportedly stayed behind to spend the night with actor in his hotel suite.
The boyfriend of one of the girls, Jacques Du Toit, later told his friend Gavin Naumoff about the scene he stepped into. Naumoff later relayed the information to the Daily Mail saying, "Jacques and Alexis are two of my best friends and Sara is a good friend. If she says she slept with him then I think she’s telling the truth.’
Whispers of the "Two and a Half Men" star's infidelity were previously sparked after photos of Kutcher and a young blonde, who appears to be Leal, exiting a nightclub and getting into the same vehicle surfaced.
Read more at http://www.huffingtonpost.com/2011/10/03/ashton-kutcher-sara-leal-hot-tub-naked-affair-demi-moore_n_991995.html