Jennifer Lopez Shows Off Some Cleavage on 'The Tonight Show'

Jennifer Lopez stops by the Tonight Show Starring Jimmy Fallon on Monday evening (January 19) in New York City.

The 45-year-old American Idol judge wowed in a pale pink gown to discuss her upcoming film with Ryan Guzman, The Boy Next Door.

PHOTOS: Check out the latest pics of Jennifer Lopez

Earlier that same day, Jennifer rocked a completely different outfit to hang out with a group of her friends.

Also pictured inside: Jennifer stayed warm in a pink jacket as she made her way to Live! with Kelly and Michael.

FYI: Jennifer is wearing Kwiat and Norma Silverman jewelry.