The American singer, 27, performed a string of remixes, including Sabrina Carpenter's Espresso, at Monday night's event at Nowhere at Fontainebleau Las Vegas.
The 31-year-old Vanderpump Rules alum - who was spotted ordering drinks from the free VIP bar - was all smiles as he chatted up Andrew and Tristan at Fontainebleau Las Vegas last Friday
The 31-year-old Vanderpump Rules alum - who was spotted ordering drinks from the free VIP bar - was all smiles as he chatted up Andrew and Tristan at Fontainebleau Las Vegas last Friday