They were announced as contestants on yesterday's The One Show, rounding up the 15 famous faces who will take to the dance floor next month.
Sports broadcaster Kirsty said: "I've always been a huge fan of Strictly, so am very excited to be taking part in the show this year. Sport and fitness have always been a big part of my life but dancing is an entirely new challenge for me! I can't wait to get started!"
Meanwhile, sprinter-turned-broadcaster Iwan said: "I'm extremely excited and scared at the thought of taking part in Strictly. I love watching the show and I can't believe I'm swapping my running spikes for dancing shoes. I used to be quick at running around the track and I'm just hoping my dance partner doesn't leave me behind."
The full lineup is:
- Peter Andre, singer
- Carol Kirkwood, weather reporter
- Kirsty Gallacher, sports broadcaster
- Jamelia, singer and broadcaster
- Jay McGuiness, singer
- Ainsley Harriott, chef
- Katie Derham, journalist
- Daniel O'Donnell, singer
- Helen George, actress
- Anita Rani, journalist
- Jeremy Vine, journalist
- Kellie Bright, actress
- Georgia May Foote, actress
- Anthony Ogogo, boxer
- Iwan Thomas, sprinter and broadcaster
Strictly Come Dancing - The Launch Show airs at 7.15pm on BBC One on Saturday 5 September 2015.