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.
