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Nicole Richie Celebrates Bachelorette Party In Mexico With Christina Aguilera

9/23/2010 8:10am EDT

Nicole RichieNicole Richie has sparked reports her wedding to rocker Joel Madden is imminent after whisking her closest female friends off for a Mexican bachelorette party.
Christina Aguilera and DJ Sam Ronson were among the pals who joined the socialite, jeweler and reality TV star for the weekend Cabo San Lucas getaway.
According to People.com, the girls relaxed by the Las Ventanas resort pool and enjoyed a series of spa treatments.
There was also a celebration dinner.
Absent was Richie's former best friend and "The Simple Life" co-star Paris Hilton.
Richie and Madden, who are the parents of two young children, have yet to reveal when they'll wed.

Nicole Richie

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Photo Credits: PR Photos