Wellingborough’s Ashleigh and Pudsey will perform at T4 on the Beach this weekend.
The pair will perform at the event in Weston-super-Mare on Sunday (July 1).
Other acts who will be performing include Rita Ora, Tulisa, The Wanted and X Factor winners Little Mix.
T4 on the Beach is a music party on a beach which takes place every summer and usually attracts around 50,000 people.
Speaking to the Northants Telegraph, Ashleigh said she and Pudsey would bring something “a bit different” to the line-up. She said: “We are going to be doing our (Britain’s Got Talent) semi-final performance, the Charleston.”
The event will be broadcast live on Channel 4 from 1.30pm on Sunday.