April Love Geary breastfeeds baby Mia in heartwarming Instagram snap taken by Robin Thicke

She became a mother in February when she gave birth to her daughter Mia.

And April Love Geary, 23, posted an Instagram photo on Saturday of herself lounging in bed as she breastfed her newborn child.

'MOM pic by baby daddy,' wrote April in her caption, tagging her child's father Robin Thicke, who incidentally is 41 years old.

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Me and my baby: Geary, 23, posted an Instagram photo on Saturday of herself lounging in bed as she breastfed her newborn daughter Mia

Me and my baby: April Love Geary, 23, posted an Instagram photo on Saturday of herself lounging in bed as she breastfed her newborn daughter Mia

April, who joked on her 23rd birthday that Robin was 'gonna have to swap me out for a younger chick soon,' has maintained an enviably svelte post-baby body.

She showed her sculpted figure off to her roughly 126,000 Instagram followers last Sunday, posting a sizzling bikini mirror selfie.

It was Robin who made the birth announcement on February 24, posting a sweet video of himself cradling his crying baby in the hospital.

April publicized her pregnancy on August 17 last year, posting an ultrasound photo to Instagram and dishing in the caption that she was due 'March 1st, Alan's birthday!' - Alan being Robin's late father.

American beauty: April, 23, is in a relationship with Blurred Lines singer Robin Thicke, who is 18 years older than her 

The parents together: 'MOM pic by baby daddy,' wrote April in her caption to the breastfeeding photo, tagging her child's father Robin Thicke, who incidentally is 41 years old

Robin has a seven-year-old son called Julian by Paula Patton, whom Robin had married in 2005 after dating her since the 1990s, when the couple were teenagers.

After they separated in February 2014, Robin waged a public campaign to get Paula back, including an album called Paula with a lead single entitled Get Her Back.

These efforts availed him naught, and the now 42-year-old Paula filed in October 2014 for a divorce that was ultimately finalized in March the following year.

When you got it: April, who joked on her latest birthday that Robin was 'gonna have to swap me out for a younger chick soon,' has maintained an enviably svelte post-baby body

When you got it: April, who joked on her latest birthday that Robin was 'gonna have to swap me out for a younger chick soon,' has maintained an enviably svelte post-baby body

Get cut out for the beach in a pretty playful bikini like April

April Love Geary recently gave birth to a baby girl, Mia, meaning her Instagram has been taken over with cute photos of the little one. But prior to Mia being born, we were more used to seeing snaps of April in sexy lingerie or hitting the beach in her bikinis and it seems she was keen to sneak one back in there this week.

The model showed off her incredible post-baby figure (how did she do that?), wearing a laddered two-piece by Siempre Golden. The swim set is from the Californian-based brand - a state that knows a thing or two about sunshine and being by the sea!

We love the deep burgundy hue of this set that makes a welcome change from black but is still a flattering choice, while the cut outs are super sexy. Click right to snap it up.

Want to see other bikini sets in the hue? Look no further than the line up below.

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Paula and Robin waged a rancorous custody battle over Julian - one that they settled weeks before April told the world she was pregnant, per DailyMail.com.

As court documents show, that arrangement included a proviso that Robin, Paula and Julian go to family therapy up this past December at the earliest - as well as that Paula and Robin are forbidden from badmouthing one another to their son.

Julian's parents now have split custody, after a dispute in which Paula tried to prevent Robin's seeing Julian and last January 26 won a temporary restraining order.

Accused of striking Julian too forcefully, Robin held in his court filing that 'On a very rare occasion and only as a last resort, I will use light spanking, but it is consistent with the law - open hand on the butt,' as TMZ reported January 12 last year. 

Baby mine: Mia has made several appearances on her mother's social media, including this sweet image of the infant 'rollin' on a pink blanket

Baby mine: Mia has made several appearances on her mother's social media, including this sweet image of the infant 'rollin' on a pink blanket

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April Love Geary breastfeeds baby Mia in heartwarming Instagram snap

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