The dating song help dating recovering addict
The organizations will use money raised to help areas in the Gulf Coast devastated by Hurricane Katrina and Hurricane Rita.
The online part of the auction continues on u through November 1, 2005.
Culkin and Song attended Instagram's Knott's Scary Farm celebrity night on Saturday, where a source tells ET the two were very "affectionate" with one another and openly held hands.
"Parkgoers said they were very cute with each other holding hands and very affectionate," the source says.
(Photo by Kevin Winter/Getty Images)BEVERLY HILLS, CA - MAY 13: Actors Macaulay Culkin (L), Jena Malone and Mandy Moore pose at the after-party for United Artists' 'Saved' at the Beverly Hills Community Sports Center on May 13, 2004 in Beverly Hills, California.
(Photo by Kevin Winter/Getty Images)BERLIN - FEBRUARY 9: (L-R) Actor Seth Green and actor Macaulay Culkin field questions from reporters at the 53rd Berlinale Film Festival February 9, 2003 in Berlin, Germany.
'That sounds super cheesy but, like, I came back like a different person.'And she admitted working on the film felt like she was with her 'best friends' all the time. Everyone was lovely, we just got to go to Thailand and hang out with our best friends for five weeks.'Macaulay used to date Mila Kunis, who is now married to Ashton Kutcher.
(Photo by Frazer Harrison/Getty Images) PARK CITY, UT - JANUARY 22: Actors Macaulay Culkin (R) and Seth Green pose with Special Olympics athlete Bart Banson at the Playstation 2 stop on Main street during the Sundance Film Festival on January 22, 2003 Park City , Utah.
(Photo by Dimitrios Kambouris/Wire Image)WILL & GRACE -- 'May Divorce Be with You' Episode 22 -- Pictured: (l-r) Eric Mc Cormack as Will Truman, Macaulay Culkin as Jason 'J.
T.' Towne, Megan Mullally as Karen Walker -- Photo by: Chris Haston/NBCU Photo Bank Macaulay Culkin, Wilmer Valderrama and Seth Green during 2003 Park City - The Chrysler Million Dollar Film Festival at The Chrysler Lounge in Park City, Utah, United States.
(Photo by Ryan Miller/Getty Images)LOS ANGELES - MARCH 18: Actor Macaulay Culkin attends a signing for his new book 'Junior' at Barnes & Noble Booksellers at The Grove on March 18, 2006 in Los Angeles, California.
(Photo by David Livingston/Getty Images)Macaulay Culkin and girlfriend Mila Kunis during Joins Forces with Hollywood Stars to Launch Celebrity Auction to Benefit Hurricane Victims - Inside at Empire Ballroom in Las Vegas, Nevada, United States.
During Ghost Rider, Song adorably held on to Culkin's arm. ET's Katie Krause spoke to Song on Friday at Knott's Scary Farm, where the former Disney star talked about her upcoming film with Culkin."It's basically about a guy who is going on a planned a trip with his wife, finds out that she's cheating on him, and his best friend jumps in last minute, and it's their adventures in Thailand and the people they sort of come across, and the crazy adventures that happen when you go on a trip across the world," Song explained. (Photo by Barry King/Getty Images)BUENA PARK, CA - FEBRUARY 04: Brenda Song attends the Knott's Berry Farm Susan G.