The Oscar-winning actress - who split from Bradley Cooper in March - and the former `Full House` star were spotted enjoying a romantic trip to Disneyland in California on Monday (11.07.11) and onlookers say they were smitten with each other.
On told Us Weekly magazine: "They looked really close and both very happy. They were trying to stay under the radar but were having a great time laughing and dancing as they walked from one ride to another."
Renee, 42, split from `The Hangover` star Bradley in March after dating for almost two years, leaving many people surprised as it had been reported they were set to wed.
Renee has also dated Jim Carrey and Jack White while she was briefly married to country singer Kenny Chesney, a union which last less than six months.
John was married to actress Rebecca Romijn for 10 years, although they split in 2004 and she went on to marry Jerry O`Connell, with whom she has two-year-old twins, Charlie and Dolly.