Heidi Montag showed off her new beach body on Saturday in a self-designed bikini as she hosted the grand opening of the Liquid Pool Lounge at the Aria Resort and Casino in Las Vegas - (04/10/10). The Hills star and singer had 10 cosmetic procedures in one day late last year. The 23-year-old underwent a mini brow lift, Botox in her brow and frownline area; a nose job revision; fat injections in cheeks, nasolabial folds and lips; chin reduction; neck liposuction; had her ears pinned back; a breast augmentation revision; liposuction on her waist, hips and inner and outer thighs; and a buttock augmentation.  Kevin Perkins / PacificCoastNews.com