Three hours after
‘s concert in Las Vegas on Friday, she headed to Light Nightclub to celebrate the kickoff of her
tour – and she was joined by a famous friend.
Once Gomez, 23, entered the club shortly after 1 a.m., she immediately headed to her VIP table to hang out with her friends and backup dancers. Also joining the celebration was
, who sat inconspicuously in a dark baseball hat at an adjacent table.
Though Bloom was spotted kissing Gomez on the cheek as they chatted for about 20 minutes, a source tells PEOPLE the duo are “absolutely just friends.”
After catching up with Bloom, Gomez hung out with her crew – which included Zac Efron’s ex Sami Miro – as they sipped water and 50 Bleu vodka (the singer wasn’t seen drinking alcohol).
“They want me to say something. I don’t know what to say,” she told the crowd at the club just before 2 a.m. “I’m so happy you came out to party with me. Thank you all so much. God bless.”
After she was done, Gomez headed back to sit next to Bloom, who sipped water.
, didn’t appear to be at the Vegas club.
On Monday, Gomez caught up with the actor’s ex-wife Miranda Kerr at the Met Ball, and she was also seen hanging out with Perry at a Golden Globes after party in January.