David Hasselhoff uses the 'Baywatch' theme tune as his ringtone.

David Hasselhoff

David Hasselhoff

The 64-year-old actor starred as Los Angeles County Lifeguard Mitch Buchannon in the iconic TV series - which also starred Pamela Anderson and Carmen Electra - and he is still proud of his association with the show by having the distinctive opening credits music on his phone, according to Boyzone singer Ronan Keating.

The Irish pop star recently found himself stood behind Hasselhoff in a queue at an airport in London and shared the impromptu meeting on Twitter which exposed his ringtone of choice.

Keating tweeted: "In the Q at Heathrow and @DavidHasselhoff is in front of you and his phone rings and his ring tone is Baywatch theme. #legend #Loveit (sic)"

Hasselhoff retweeted Keating's message, before the chart-topping singer claimed he might follow the American's lead by having one of his own hit singles as his ringtone.

He posted: "I might have to change my ringtone to "Life is a Rollercoaster" what ya think @DavidHasselhoff (sic)"

Hasselhoff is poised to make a cameo appearance in the eagerly awaited 'Baywatch' movie, which is set for release in 2017.

The Hoff's original role is to be played by Dwayne 'The Rock' Johnson, but the wrestler-turned-actor is delighted the Hollywood veteran has accepted a part in the film.

Dwayne posted on Instagram earlier this year: "BAYWATCH is the most successful TV show of all time and from the day we announced we were turning it into a movie, 'The Hoff' has been our greatest supporter. Especially once he knew our RATED R movie was going to be a combination of AVENGERS meets ANCHORMAN. (sic)"

Johnson also revealed Hasselhoff had been working hard in the gym to ensure he was ready for the movie.

He said: "Hoff's a cool dude who's down to have fun and here's the best part ... He's been training his ass off and gotten in the best shape he's been in in years! (sic)"

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