The Honeymoon's Over for Nick Cannon

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After a week of newlywed bliss in the Bahamas, E! is reporting that Mariah Carey's hubby is back in L.A. after marrying his bride in a secret island ceremony.

Reuben Cannon, Nick's 18-year old brother, confirmed the news to E!.

"He's here and he's really happy," Reuben, an L.A.-based professional singer and dancer, revealed. "I've never seen him so happy."

Sources say Mariah was also spotted in L.A. as recently as Tuesday but Reuben wouldn't say if the rumors were true.

For all of you wondering, a rep for Time Magazine's, Time 100 Gala party, has confirmed that the singer will be performing at the event on Thursday night in NYC.

Hey, even newlyweds have to go back to work sometime!