Justin Bieber battles against illness

Singer Justin Bieber, who has been entertaining fans on his Believe tour, is feeling unwell.

Singer Justin Bieber, who has been entertaining fans on his Believe tour, is feeling unwell.

He battled through illness to play in Charlotte, North Carolina Tuesday night.

He revealed on Twitter that he has been feeling unwell and is planning to rest to ensure he gets better, reports contactmusic.com.

"Great show Charlotte. Thank you. Feeling like got a really bad cold, but thanks for holding me down. Resting up," he tweeted. However, the 18-year-old was given a boost after meeting his basketball icon, Michael Jordan, backstage at the Charlotte show.

He further posted: "I met Michael Jordan tonight!"