Caught in the Act

Beyoncé Supports Husband Jay-Z at Paris Show

By Peter Mikelbank and Alison Schwartz

06/03/2012 at 11:45 AM EDT

When Jay-Z took the stage with Kanye West in Paris, he had the support of his No. 1 fan: wife Beyoncé.

The new mom, 30, joined by pals Gwyneth Paltrow and Kelly Rowland, looked on from the VIP section of the Palais Omnisports de Paris-Bercy as the two rappers rocked through a three-hour set list Friday. Justin Bieber also attended the show, which included a 50-plus-minute remix of hit "N----- in Paris."

Not singing along: West's girlfriend, Kim Kardashian, who didn't make it out to the first of three sold-out Watch the Throne tour stops in the City of Lights. Also missing: Jay-Z's other No. 1 fan, baby Blue Ivy Carter, nearly 5 months, who presumably stayed back at the hotel.

RELATED: Jay-Z: I'd Rather Hang Out with Blue than Hit the Studio

PEOPLE's reigning World's Most Beautiful Woman, donning a white shift dress, left the arena via the dock chute – the same covert way she came – to head to the hotel, reportedly on the Champs-Elysees.