P Diddy and Tiger Woods were in the audience as Gwen Stefani took to the stage with her No Doubt colleagues for the first time in five years.
"You always remember your first show of any tour," the pop princess told fans a few songs into the concert, "and so far, so, so, so good."
The ska-pop oufit concentrated on their hits, sending the 12,000-strong crowd wild with their rendition of I'm Just A Girl.
Effervescent Gwen, who's had two boys since the band last performed together, has explained they don't yet have any new material. Playing live is a away of getting inspired creatively again, she added.
"My plan was to get pregnant and write a record. But instead of writing I just ate all the time," admitted the singer
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