They are joining celebs including Kate Bosworth, Mark Wahlberg, Christian Bale, Lorraine Bracco, Liv Tyler, Orlando Bloom, Chris Martin, Larry King, Gisele Bundchen, Tom Brady, Julianne Moore, Paula Abdul, Ben Stiller, Jimmy Kimmel, Heidi Montag, Gilles Marini and David Beckham, who have all donated time, experiences, and coveted collectibles to raise funds for more than a dozen organizations on the ground in Haiti through charitybuzz.
Lady Gaga is auctioning off a signed costume from her recent tour to benefit Oxfam International.
Bono is auctioning off a pair of his signed Armani sunglasses to benefit Oxfam International.
The Heal Haiti Charitybuzz Auction is currently live at www.charitybuzz.com/healhaiti. You can follow on twitter at @charitybuzz for the latest updates.