08/01/2012 AT 6:00 AM ET
Talk about a special guest!
Spotted by a onlooker at Bogies, the hotel’s on-property lakeside bar and lounge, Gaga sipped on pineapple, orange juice and vodka.
Adds the insider to PEOPLE, “She was relaxing in a cabana with the wedding party.”
– Jennifer Garcia
— People magazine (@peoplemag) August 7, 2012