Chelsea Handler is actually sliding into her fiftieth bday … whereas snowboarding the slopes and displaying off her superb bod in an attractive crimson bikini!

The comic and writer of ‘I’ll Have What She’s Having’ — who’s by no means puzzled — is wanting fitter than ever as she zooms down a snowy summit with a few ski poles to assist her navigate a few of these tight turns to ring in The Huge 5-0.

And Chelsea could not be happier … she’s grinning from ear to ear on this sequence of sizzling pics on the chilly mountain peaks.

Chelsea can be taking whole cost … Have a look at her main a pack of in-shape, bikini-clad girls on skis as they comply with Chelsea to the underside of the mountain.

And the enjoyable would not cease there … Chelsea rides on a snowmobile, smokes a joint, and performs with a furry black canine.