Chris Brown is putting together a team to take part in a charity walk to raise funds for Aids research.

The troubled pop star is gathering a group of fundraisers to join the 30th annual Aids Walk Los Angeles next month (Oct14) through his Symphonic Love Foundation, and members include his on/off girlfriend Karrueche Tran.

The singer posted a link to his team's page on his Twitter.com account and urged fans to donate, writing, "All my La people! Sign up to donate and walk in this years Aids Walk La with me and my team!"

The event takes place in L.A. on 12 October (14).