Both Nicole Richie and Ashlee Simpson showed off a little skin south of the border this weekend as they strutted their stuff in some skimpy swimwear.
Mother-of-two Richie, who just turned 30, proved that age is nothing but a number while sporting a black-two piece during a girls' getaway in Los Cabos with a few friends, including Samantha Ronson and Juliette Lewis.
MORE: Dueling Bikini Shots of the Day—Gwen Stefani vs. LeAnn Rimes
Meanwhile, Simpson could be seen in a black polka-dot bikini as she lounged poolside in Cabo San Lucas.
While son Bronx wasn't around, it was still a bit of a family affair, with her dad Joe and sister Jessica on hand. Also lounging around? Simpson's new man Vincent Piazza.
And get this. At one point over the weekend, these two lovely ladies actually met up for a little lunch. Hey, when you're both in the same general area, why not?
All of this, of course, leads to the most important question of all: Who looks better in a bikini? Sound off in the comments!

Dixie’s a 22-year-old model from Omaha, Nebraska who’s been modeling for over three years and has been featured in Maxim’s Hometown Hottie Contest, fIXE magazine, and I-Candy. I’ve never traveled to her part of the country, but if all the girls from Nebraska looked like her, I might change my tune. Until then, I’ll have to just stick to ‘Whistling Dixie.’ PS, I’m 100% unapologetic for that awful pun. Check out Dixie’s pics and stats below.
Age: 22
Location: Omaha, NE
Height: 5’3″ | Weight: 112
Measurements: 34-23-32
Hair color: Blonde| Eye color: Blue