Americans underwent more than 1.9 million plastic surgeries in 2007, according to the American Society of Plastic Surgeons.

His nose: Among men, nose reshaping was most popular, with 74,090 procedures performed.

Her breasts: Among women, breast implants, predictably, were No. 1. Doctors performed more than 347,500, most of them with saline implants.

His breasts: For men, breast reduction was fourth most popular, with 21,311 procedures in 2007, up 7 percent from 2006.

Her eyes: A total of 205,764 women had eyelid surgery, or blepharoplasty. They made up 85 percent of the patients who underwent the procedure.

His hair: Hair transplants saw the biggest drop in popularity—13,393 procedures performed in 2007, down 35 percent from 2006. Also down 35 percent: calf augmentations, to just 213.

Her bottom: Buttock implants were the fastest-growing women's surgery, up 89 percent, to 903 procedures. In addition, 3,051 women had their buttocks lifted.