Taylor Swift & More Join Lady Gaga for 30th Birthday Celebration

E! News reports exclusively that Grammy Award winner Lady Gaga celebrated her 30th birthday at the No Name club in Hollywood with fiancé and CHICAGO FIRE actor Taylor Kinney, 34, as well as a slew of celebrity friends. Gaga, who turns 30 today, wore a glittering gold boat neck mini dress with puffed up short sleeves and thick black belt, paired with black strappy platform peep-toe pumps and a sparkling Lorraine Schwartz choker.

The guest list included the birthday girl's family members and friends such as Taylor Swift , 26, Kate Hudson, 36, Nick Jonas, 23, Suki Waterhouse, 24, Lorde, 19, Lana Del Rey, 30, Gaga's AMERICAN HORROR STORY co-star Kathy Bates, 67,Pharrell Williams, 42, Mark Ronson, 40, Kylie Minogue, 47, Evan Ross, 27, and wifeAshlee Simpson Ross, 31, Real Housewives of Beverly Hills stars Lisa Rinna, 52, andLisa Vanderpump and former cast member Taylor Armstrong, 44, and pregnant Chrissy Teigen and husband John Legend.

Gaga also performed at the party, which many guests said was the best part of the night. "She sounded amazing," a source told E! NEWS exclusively. "Everyone sang 'Happy Birthday' to Gaga and it was a perfect night," the source added.

The party continued until the early hours of the morning.

Photo courtesy of ABC