Andy Grammer Joins 'Dancing With the Stars' Cast

ABC/Randy Holmes
Andy Grammer performs on "Jimmy Kimmel Live" on Aug. 26, 2015.

After weeks of speculation, Andy Grammer is officially joining the cast of Dancing With the Stars

The "Honey, I'm Good" singer confirmed the news during an appearance on On Air With Ryan Seacrest and talked about how excited he is to join the dancing competition show. Grammer even shared that he may need a new partner after his original partner, Dancing pro Peta Murgatroyd, was injured recently. 

Individual casting announcements for Dancing With the Stars have been made in the last week, including Backstreet Boys member Nick Carter and legendary singer Chaka Khan. The full list of celebrity dancers and their professional partners will be revealed on Good Morning America on Sept.  2. 

Andy Grammer on the Success of 'Honey, I'm Good,' Relationship Tips and Touring

Season 21 of Dancing With the Stars will premiere on Monday, Sept. 14 at 8 p.m. on ABC.