C. J. Parker returns! Busty Pamela Anderson, 48, is welcomed by The Rock as she joins Baywatch movie 

She introduced the world to the iconic beach babe and lifeguard hero CJ Parker in the 1990s.

And now Pamela Anderson has officially joined the cast of the film reboot of Baywatch.

The 48-year-old was welcomed to the project by the film's star Dwayne 'The Rock' Johnson as he posted a salutary snap to Instagram.

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She's back! Pamela Anderson has officially joined the cast of the film reboot of Baywatch and was welcomed to the project by the film's star Dwayne 'The Rock' Johnson on Instagram on Thursday evening

She's back! Pamela Anderson has officially joined the cast of the film reboot of Baywatch and was welcomed to the project by the film's star Dwayne 'The Rock' Johnson on Instagram on Thursday evening

In the photo, Pam puts her ample cleavage on display as she poses next to the muscled and lean former pro wrestler.

The Rock captioned the image: 'She introduced the world to "CJ Parker" and became one of the most iconic characters of a generation - for the most successful TV show of all time.'

'A pleasure to welcome (as gorgeous as ever) Pamela Anderson to our #BAYWATCH cast,' he added.

Icon: Pam debuted on Baywatch in 1992 and remained a castmember until 1997

Icon: Pam debuted on Baywatch in 1992 and remained a castmember until 1997

Big cups to follow in: Kelly Rohrbach has taken over the iconic role in the reboot

Big cups to follow in: Kelly Rohrbach has taken over the iconic role in the reboot

'We couldn't have made this movie without you,' the star wrote graciously. 'Welcome home. Thrilled you had a blast with us!'

He concluded with some hashtags and important dates : '#BAYWATCH MAY 19, 2017. #PamAnderson #OS #OriginalSmokestack'.

Pam debuted on Baywatch in 1992 and remained a castmember until 1997.

Kelly Rohrbach has taken over the iconic role in the reboot. 

While The Rock takes on the role of Mitch Buchannon (made famous by David Hasselhoff in the TV series), and Zac Efron portray's David Charvet's Matt Brody.

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