Paulina Gretzky is looking spontaneous these days.

Paulina Gretzky Was Her Father's 'Best Hockey Player?'

On Saturday, the Instagram model posted a new bikini snapshot on Instagram as she enjoys the last days of summer before the heat goes away. Gretzky, who gave birth to her son just eight months ago, managed to get her post-baby bod back in no time as she dons a tight colorful swimsuit.

She sits on a chair outside with her hair tied back adding on a pair of sunglasses. She smiles for the camera and shows off her petite figure. She also happens to be joined by a furry friend who lounges in the sun with her.

 Little Miss Daisy @sunkissedtraveler

A photo posted by Paulina Gretzky (@paulinagretzky) on Sep 19, 2015 at 1:30pm PDT

Paulina Gretzky & Dustin Johnson Smooch On 4th Of July, See PHOTO

The model has been posting pictures of her baby boy, Tatum, all over Instagram lately. In a recent shot, the two smile for the camera where their genuine features draw out the eye. Gretzky lets her long blonde hair flow down as little Tatum smiles with a thumb in his mouth.

 My Sunshine

A photo posted by Paulina Gretzky (@paulinagretzky) on Sep 16, 2015 at 7:02am PDT

Tatum's mom, who is also the fiancee of golfer Dustin Johnson, flaunted her slender body starting at about seven months after giving birth. She is clearly not letting parenthood stop her from continuing her sexy ways of donning revealing swimsuits as she enjoys relaxing days by the pool.

 SaturDaze Vibes

A photo posted by Paulina Gretzky (@paulinagretzky) on Aug 22, 2015 at 2:30pm PDT