Kate Upton exposes underboob while on a date in New York

Sports Illustrated Swimsuit model Kate Upton showed more than she had bargained for while on a date with rumoured new beau Maksim Chmerkovskiy in New York.

The 21-year-old was snapped wearing a translucent black dress with white flowers and a large see-through section across her breasts, the Sun reported.

The American babe and the 33-year old dancer were snapped while at a romantic dinner at 'Catch' restaurant

Upton is currently shooting her first major film 'The Other Woman' alongside Cameron Diaz and Leslie Mann.