Updated

Demi Lovato likes to keep quiet about her relationships. But this does not stop fans from wondering whether she has reunited with ex-boyfriend, Wilmer Valderrama.

In August, the on-again-off-again couple was spotted having a fun afternoon in Disneyland after the 21-year-old singer skipped the MTV Music Video Awards. A month later, they were spotted shopping at Barneys department store in Beverly Hills.

But after months of staying quiet about their seemingly on-again relationship, Lovato and the former “That 70s Show” star further fueled speculation when they were spotted having a date night at the Knott’s Berry Farm Halloween Haunt in Buena Park, California.

Over the weekend, the couple was photographed holding hands around the park as they enjoyed the festivities like the Xcelerator roller coaster and the Dominion of the Damned scary maze.

The singer, who was sporting a black hoodie, was barely noticed by fans. According to Starfeine, the duo arrived at the farm around 10 p.m. and stayed until closing time at 2 a.m.

These photos come two weeks after a female Australian DJ said she and the “Glee” star once slept together. Lovato has yet to respond to the claims about her girl-on-girl hook up.

Earlier this week, Lovato released a new song for the upcoming Disney movie, “Frozen.”

“Here it is!! Listen to my version of #LetItGo from Disney’s Frozen!!!” she tweeted this week.

The full soundtrack for the movie will be released Nov. 25 while the movie hits theaters Nov. 27.

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