Sandra Bullock's agents have splurged $14,000 on an Andy Warhol painting as a gift for her 21-month-old son.

Sandra Bullock's agents have bought a $14,000 painting for her son.

The 47-year-old actress - who adopted 21-month-old Louis in January 2010 - jokingly praised Kevin Huvane and Bryan Lourd for not being "cheap f***s" with their generous gift, acclaimed pop artist Andy Warhol's first work 'Peaches'.

Speaking at the Los Angeles amfAR Inspiration Gala at the Chateau Marmont hotel where the work was auctioned last night (27.10.11), Sandra said: "I want to thank Kevin Huvane and Bryan Lourd for not being cheap f***s and gifting my son with his first Warhol."

r, who helped found amfAR - an AIDS charity - in 1985.

Speaking about the screen legend, who died at the age of 79 in March, Sandra said: "Earlier this year, the world lost a radiant woman of courage and compassion. She lives on in every person she touched.

"She never thought twice to put her arm around someone who was suffering, and that is the gift we have a human beings, the ability to reach out and touch another human being. Tonight we can honor this extraordinary woman and finish what she started."

Other guests at the event included actor Colin Farrell and actresses Selma Blair and Rose McGowan, while performers included Blondie's Debbie Harry and Irish singer Sinead O'Connor.