As you go about your business today, do spare a thought for superstar model/actress Bar Refaeli, who's just launched an impassioned appeal via Funny Or Die.

The worthy cause? She's trying to raise $10,000 so she can make a sex tape. But she's also concerned that nobody would bother watching it. See? You think you've got problems, but Bar's anxiety puts everything into perspective, doesn't it?

Anyway, we're glad to see she's not embarrassed about making her appeal. After all, plenty of celebrities have done more embarrassing things than that...

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  • Brad Pitt - Pringles

  • Tina Fey - Mutual Savings Bank

  • David Hasselhoff - Barclaycard

  • Mr T - Flavorwave Turbo

  • Bruce Willis - Seagrams wine coolers

  • Keanu Reeves - Kellogg's Corn Flakes

  • John Lydon - Country Life

  • Vernon Kay - Flora Cuisine

  • Sean Bean - Barbican

  • Tim Lovejoy - Giovanni Rana pasta

  • Keanu Reeves - Kellogg's

  • Matt LeBlanc - Heinz Ketchup

  • Peter Mandelson - The Times

  • Ben Affleck - Burger King

  • Muhammad Ali - Four Gone

  • Mikhail Gorbachev - Pizza Hut

  • Martin Kemp and Marco Pierre White - Bernard Matthews Farms

  • Sean Connery - Ito Ham

  • Gavin Henson - Brits Bingo

  • Louise & Jamie Redknapp - Thomas Cook

  • Morgan Freeman - Listerine

  • Jean-Claude Van Damme - Coors Light