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Tuesday (December 1) marks the beginning of a brand-new month, but it's also a significant milestone as the world continues to bring forth awareness and attention in honor of World AIDS Day 2015.

As we mark another year of progress in the fight against AIDS, iHeartRadio has decided to partner with the (RED) movement to bring attention to one of the most important causes around. We're not the only ones helping to make some noise either. As always, U2 frontman Bono is on the cause as well as Jimmy Kimmel and some of your favorite chart toppers around. Take a look below for the full list of stars that are helping to support World AIDS Day 2015.

iHeart(RED)

In honor of all the progress that the world has made in the battle against AIDS, iHeartRadio is bringing awareness to our followers by teaming up with the (RED) campaign for the month of December. iHeartRadio will be called iHeart(RED) as of December 1.

Jimmy Kimmel's (SHOPATHON)RED

Kimmel is dedicated his Tuesday night episode to the campaign alongside his co-host for the evening Olivia Wilde. Not only will the duo introduce some pretty unique experiences to donors, but the evening will also feature appearances from Tom Brady and Shaquille O'Neal. While Tom will gift someone with a lesson in passing a football, Shaq will take a photo with the winner for a 2016 holiday card. The Killers will also be on-site for a performance. Additional experiences will be available after donating on Omaze.com/RED.

"Even though red is the color of emergency, there's a sort of optimism about the whole campaign and a kind of defiant humor. We have always had that, but the (SHOPATHON) will really take it to another new level," said Bono, who founded the (RED) concept in 2006.

A Night of Music: Celebrating 10 Years of ONE and (RED)

Bono and The Edge will headline a very special concert event at New York City's Carnegie Hall. The show will honor Michael R. Bloomberg, Bill and Melinda Gates, and Dr. Mo Ibrahim & Dr. Ngozi Okonjo-Iweala and include performances from Miley Cyrus, Jessie J and the Choir of the Kimbanguist Symphony Orchestra from Kinshasa, Democratic Republic of the Congo.

Vice's "Countdown to Zero"

Vice will air a special called "Countdown to Zero" on December 1, which will explore the search for "a cure and preventative vaccine that could lead to the first AIDS-free generation." The episode will be hosted by Vice founders and correspondents Shane Smith and Suroosh Alvi and feature appearances from President George W. Bush.

Gilt's RED Sale

Gilt will also raise awareness for the movement when the website kicks off the sale of 100 RED products on December 1. Additional RED products from Alessi, Converse, LeCreuset, Fatboy, Fresh, Moleskine, Mophie, Alex + Ani, Dyson and other brands will be available until December 15. Additionally, The Bill and Melinda Gates Foundation will match each dollar spent on the products up to $20 million dollars. 

Photo: Getty Images