Desperate Housewife Eva Longoria is leading a Twitter fundraising campaign which sees celebrities auction off Twitter favours in aid of charity.

Longoria and more than 150 other celebrities, including Simon Pegg, Gordon Ramsay and Jessica Simpson, are auctioning a variety of Twitter actions – from following the winning bidder, to the less expensive re-tweeting and mentioning – in order to raise money for TwitChange.com and aHomeInHaiti.org.

More than $200,000 has been raised thus far for the causes in the eBay auction campaign which began on September 15 and is due to end on Saturday, September 25.

A whole package – including following for 90 days, retweeting and mentioning – for Gordon Ramsay is currently on sale for $650.