Kaia Gerber, 20, shows off her 24inch waistline in a bikini while in Cabo San Lucas

Kaia Gerber, 20, rocks a tiny orange thong bikini as she spends Christmas in Cabo

Kaia Gerber and Cindy Crawford enjoy Christmas Eve in Cabo... before unveiling family holiday card

Cindy Crawford, Rande and Kaia Gerber enjoy sun-soaked Christmas getaway in Cabo San Lucas