January Jones sends a cheeky message as she flashes her cleavage in TINY blue bikini

January Jones sends a cheeky message as she flashes her cleavage in TINY blue bikini: ‘Don’t forget your flotation devices’

January Jones made a splash in more ways than one while enjoying a swim in her pool on Saturday. 

The actress, 42, shared a photo of herself taking a dip in a tiny blue bikini that flashed ample amounts of cleavage. 

‘Morning lap swim! Happy Birthday Mom!’ January captioned the cheerful snap.

‘Don’t forget your flotation devices’: January Jones made a splash in more ways than one while enjoying a swim in her pool on Saturday

The photo caught the attention of plenty of fans, including actor Will Kemp, who playfully commented, ‘I’m relieved to see you using flotation devices…’ 

January replied, ‘oh that’s good.’

Indeed, January really was impressed by the remark – about an hour later, she posted another poolside photo to her Instagram stories, along with the cheeky message, ‘Don’t forget your flotation devices!’ 

Smiling from ear-to-ear, January looked as happy as can be in the photos.    

Making a splash! Smiling from ear-to-ear, January looked as happy as can be in the photos

Making a splash! Smiling from ear-to-ear, January looked as happy as can be in the photos

The actress served retro vibes with a cat eyed pair of gold sunglasses, matching hoop earrings and a pendant necklace.

She shared another photo of herself with a far more serious expression on her face as she posed by the pool wall with a hand on her hip.

‘Laps??’ she wrote in the photo. 

Deep thoughts: Jones gave a serious expression as she posed beside the pool wall with a hand on her hip

Deep thoughts: Jones gave a serious expression as she posed beside the pool wall with a hand on her hip

January also shared a throwback photo of her mother Karen Jones in honor of her birthday.

In the photo, Karen walked along the beach wearing a yellow bikini, blue visor and shades. 

‘Happy Birthday hot momma!’ she gushed in the snap. 

'Hot momma!' In the photo, Karen walked along the beach wearing a yellow bikini, blue visor and shades

‘Hot momma!’ In the photo, Karen walked along the beach wearing a yellow bikini, blue visor and shades

January also shared another far more glammed up photo of herself with her mother.

‘Happy Birthday to our OG bada** Momma!’ she raved. ‘We love you so much and are so grateful to have you as a role model, giver of sage advice, an amazing chef, boss, adventurist, always just moving and grooving. Cheers to living life to the fullest! Wish I could hug ya today!’ 

January most recently starred in the Netflix series Spinning Out, though the streaming service canceled it after one season in February.

She is also coming off a role in Netflix’s The Politician, playing Lizbeth Sloan, and starring in all four seasons of Fox’s The Last Man On Earth.

January first made a name for herself as Betty Draper on AMC’s hit drama series Mad Men, which aired seven seasons between 2007 and 2015.

Family fun: January also shared another far more glammed up photo of herself with her mother

Family fun: January also shared another far more glammed up photo of herself with her mother