Zac Efron recently told the press that he was single however, just days later he was spotted holding former girlfriend Lily Collins' hand. "The Mortal Instruments: City of Bones" star was dating her costar Jamie Campbell Bower but it looks like she has moved on.

Collins and Efron continue to fuel romance rumors after being spotted together on Tuesday night, according to E! News. The former couple was seen in the amusement park walking hand and hand where a fan snapped a photograph of the two with their version of PDA.

Several sources told the celebrity news site that they are unsure how serious their relationship is, while an insider close to Lily Collins insists that the two stars are just "hanging out" and "not dating."

[To see the photo of Lily Collins and Zac Efron holding hands at Disneyland click HERE]

The "That Awkward Moment" star and new face of Lancôme were previously photographed together stepping out to catch a movie in Hollywood sparking rumors that they rekindled their romance after calling things off the first time.

Following their split in June 2012, a source close to the stars alleged that their relationship was blown out of proportion.

The insider revealed at the time of the break up, "They were never really together, so you could say they split, but they were never an official couple."

The source further added, "They hung out a bit, but it was super casual."

So is this casual or are the two ready to be girlfriend and boyfriend? Let us know your thoughts in the comment section below.