Nicole Richie: Cabo San Lucas Vacation!

Nicole Richie dons a fedora while arriving at LAX Airport on Monday (September 3) in Los Angeles.

Earlier in the day, the 30-year-old fashion designer showed off her body in a red bikini, while spending time with her gal pals in Cabo San Lucas, Mexico.

PHOTOS: Check out the latest pics of Nicole Richie

Over the weekend, Nicole was spotted in a black bikini at Las Ventanas al Paraiso Resort in Cabo. She was also seen enjoying a fun-filled ride in a golf cart with friends.

FYI: Nicole is wearing orange Georgie St.Bart pants.

30+ pictures inside of Nicole Richie in Cabo San Lucas…