10/08/2008 at 09:00 AM EDT
His birthday wasn't until Wednesday, but Nick Cannon got the party started early with a sweet surprise from wife Mariah Carey
The actor – who Deejayed during his bash Tuesday night at Pure Nightclub in Las Vegas – took time to give a "shout out to my beautiful wife in the building."
Carey held court at a VIP table next to Cannon's deejay booth, where the soon-to-be 28-year-old spun rock and hip hop for nearly three hours.
Later, she arranged for a birthday cake to be brought out for her husband-of-five-months
. "Thank you, my love," he said into the microphone. "We about to take this to the next level!"
The two have staying at the Bellagio since Saturday, when they arrived in Vegas to shoot Carey's new music video. (Cannon directed the clip for her single, "I Stay in Love.")
Tuesday night kicked off with a private dinner at Rao's, where Cannon and Carey noshed on lemon chicken and meatballs. "They were very sweet with each other," said a source. Nick, inspired by the Italian cuisine, also boasted that he makes "a great clam sauce."
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