Richie takes celebrity pals off to Mexico for bachelorette party

Christina Aguilera and DJ Sam Ronson were among the pals who joined the socialite, jeweller and reality TV star for the weekend (18-19Sep10) Cabo San Lucas getaway.

According to, 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.