| Madonna's date for the night was her 11-year-old daughter, Lourdes. Husband Guy was at home minding sons Rocco and David.  | | Rex Features | | | | Rihanna was among the A-list stars who dug deep to attend the dinner - tickets were between $2,500 and $10,000 each.  | | WireImage.com | | | | Katie Holmes and Tom Cruise also graced the red carpet at the event, which was held in a special marquee on the lawn of the United Nations building in New York.  | | Rex Features | | | | Jennifer Lopez was making what must be her last appearance before she gives birth. The singer/actress, who is expecting twins with husband Marc Antony, is due any day now.  | | WireImage.com | | | | Madonna's close friend Gwyneth Paltrow went solo to the charity event. |  | | WireImage.com | | | | Drew Barrymore held tight to her new boyfriend, actor Justin Long, best known for his role in Die Hard 4.0.  | | WireImage.com | | | | The stunning Salma Hayek made her first public appearance since the birth of daughter Valentina last September. She and her partner (billionaire businessman Francois-Henri Pinault) auctioned a trip to Paris and a tour of a vineyard with the pair, which raised $120,000.  | | WireImage | | | | Mum-of-three Heidi Klum left husband Seal at home to cut a solo figure on the Unicef red carpet. | |  | | WireImage.com | | | | Nelly Furtado also attended the Malawi fundraiser, which raised $3.7 million for charity in just one night. |  | | WireImage.com | | | | Madonna and daughter Lourdes mingled with the A-list ticket holders inside the event, including Katie Holmes, Tom Cruise and TV host Rosie O'Donnell.  | | WireImage.com | | | | Tom took part in the live auction, bidding $100,000 for a sports package which included a tour of Yankee stadium, but he lost out to a bidder who offered $350,000.  | | WireImage.com | | | | Marc Antony, Katie Holmes and Tom Cruise kept a VERY close eye on Jennifer Lopez's enormous baby bump.  | | WireImage.com | | | | Gwen Stefani was happy to show off her fuller figure (she's expecting baby number two with husband Gavin Rossdale) alongside Demi Moore.  | | WireImage.com | | | | Drew Barrymore and Kate Hudson were all smiles, perhaps because they'd just finished dinner - guests dined on salmon, wild sea bass, goat's cheese tart, foraged mushrooms, truffled mashed potatoes and sticky toffee pudding with creme fraiche!  | | WireImage.com | | | | Wonder how much of that extravagant meal passed burlesque dancer Dita Von Teese's lips? |  | | WireImage.com | | | | Tom and Katie had a quick chat with Orlando Bloom before they had to take their seats for the main event of the night, the live auction.  | | WireImage.com | | | | "I don't just want you to write me a cheque," Madonna told the diners. "I'm more interested in your heart. I want to take you on that journey with me tonight. I want you to feel as inspired as I do right now. Yes, I want to raise Malawi. But if I can do that — if we can do that — then the sky's the limit."  | | WireImage.com | | | | Comedian Chris Rock hosted the live auction alongside Madonna. One anonymous bidder paid $300,000 for four tickets to see Madonna in concert and a private dance lesson with the star and her good mate, Gwyneth Paltrow.  | | WireImage.com | | | | Madonna has remained on good terms with ex-boyfriend Carlos Leon, Lourdes's father, who scored an invite to the charity dinner.  | | | | | Eleven-year-old Lourdes was an enthusiastic bidder throughout the live charity auction, which included a private football tutorial with David Beckham.  | | WireImage.com | | | | Next up, it was time for some live performances - first to take to the stage was soul singer Alicia Keys.  | | WireImage.com | | | | Pharrell Williams was too busy making eyes at Lucy Liu to pay any attention to the performance! |  | | WireImage.com | | | | Timbaland and a troupe of dancers also performed for the crowd, which was a mix of celebrities and UN officials. |  | | WireImage.com | | | | Rihanna made a quick costume change after dinner to perform at the fundraising gala. |  | | WireImage.com | | | | After the performances it was time for cocktails and dancing, but P Diddy looked like he had something serious to discuss with Demi Moore's other half, Ashton Kutcher.  | | WireImage.com | | | | Madonna and Pharrell Williams hit the dancefloor and were quickly surrounded by admirers. |  | | WireImage.com | | | | Before the successful event came to a close, J-Lo's hubby Marc Antony joined piano man Billy Joel to congratulate Alicia Keys on her show-stopping performance. | | | | | | | | | | | | | | | | | |