Demi Lovato-Wilmer Valderrama rekindle love

Singer Demi Lovato and her ex boyfriend actor Wilmer Valderrama have reportedly reunited.

The couple was seen holding hands during their visit to California amusement park - Knott's Berry Farm's Halloween Haunt, over the weekend, reports eonline.com.

Lovato was barely recognisable in an all-black ensemble and a hoodie covering her bright blue locks, while Valderrama strolled the park in a T-shirt and jeans.

The pair dated back in 2010.