And now we’ve taken a look at her close family and the support they’ve offered as she’s thrown into the limelight.
Hairstylist Briana, 23, is believed to be around three months pregnant with the One Direction star’s child.
While it’s unclear whether they’re dating, her father has since confirmed the news, supporting his daughter.
However her mum is yet to speak out, but was recently spotted in LA after the pregnancy was revealed.
Briana’s mum Tammi Clark lives in Calabasas, California, with her step-father Brett Clark.
Glamorous Tammi was snapped on Wednesday doing some grocery shopping with her son, who was rumoured to have met Louis a month ago.
The 1D star was snapped with his arm round a young boy, believed to be Briana’s younger brother, at the time.
Tammi is stunning with long flowing blonde hair and looked ageless on the trip out in a trendy colourful maxi skirt and black top.
Chatting on the phone, she failed to smile but looked relaxed amid the baby news.
Briana lives with her mum and step-dad, but is thought to be close to her dad too.
According to People, Louis and Briana’s parents met over the July 4 weekend and got on very well.
His mum Johanna and step dad flew to LA for the meeting – it will be midwife Johanna’s first grandchild – although she did recently have twins herself.
A source told the mag: “They are all excited and totally supportive.”