They will join Peter Jones, who has starred in the show since it launched, as well as Deborah Meaden and Touker Suleyman.

Budding entrepreneurs will vie for their financial investment as well as potential support running their businesses.

Dragons' Den: the five funniest pitches

Parish said: "I'm thrilled to become a dragon and really excited to meet the entrepreneurs in this series, see what ideas they bring to the den and how I might be able to help them grow."

Campbell is the founder and chief executive of YourCash, a cash machine company.

Meet the Dragons' Den rejects who went on to earn millions