Reality TV star Nicole Richie and Paris Hilton will play the role of counsellors at a fat camp on the fourth season of their reality show 'The Simple Life'.

However, the E! series refuses to call it a 'fat camp' and the reps for the show address it as a "wellness camp focussed on right diet, yoga, nutrition and exercise".

According to sources, Richie and her best pal Paris Hilton will be seen boasting around in hot pants.

"They are doing five camps in five weeks. This is just one of them," The New York Post quoted an insider, as saying.

Richie was recently in the news when it was revealed that she and 'Good Charlotte' frontman Joel Madden reportedly made a last minute change in their plan to get married on February 17, for they wanted to take the reality star's father Lionel Richie's blessings first.

Sources say that Joel was initially terrified about asking Lionel for his blessing, but was later on welcomed with open arms.

According to reports, the pair has now decided to marry to tie the knot in front of the family and close friends at Mexico's Las Ventanas resort in Cabo San Lucas.