Ivana Trump In Her Underwear On Celebrity Big Brother (PHOTOS, VIDEO)

03/21/2010 05:12 am ET | Updated May 25, 2011

Ivana Trump stripped down to her underwear on British TV on Monday.

The first Mrs. Trump, a former model, is currently on the reality show "Celebrity Big Brother" and the housemates had a life drawing activity.

The mother-of-three, 60, posed alongside topless model model Nicola Tappenden and held her own.

Scroll down for photos, and here is part of it in a video clip. WATCH: