It isn't easy for celebrities to keep their personal lives under wraps, but stars like Megan Fox and January Jones refuse to let their baby daddy secrets slip! Click through to find out which stars continue to keep the father of their child a secret and which eventually spilled.
CinemaCon 2016 – Paramount Pictures Opening Night Presentation
Megan Fox debuted her baby bump while on the red carpet on April 11. Since the actress filed for divorce from her husband Brian Austin Green in August, it's unclear whether or not he's the father of her third child. Fox has yet to comment on the paternity of her baby.
5th Annual NFL Honors – Arrivals
January Jones continues to keep the identity of her son Xander's father a secret since his 2011 birth. The Mad Men star announced the news nine months after dating Jason Sudeikis, which is why many believe he could be the child's dad. Other contenders include Bobby Flay, who was rumored to be having an affair with the actress, and her X-Men co-star Michael Fassbender.
2012 Summer TCA Tour – Day 7
Bristol Palin announced her second pregnancy only a month after she called off her engagement to Dakota Meyer. Although she kept the baby's father a secret for months, her ex-fiancé confirmed he's the father when he posted a photo of his daughter when she was born.
Former model Nia Guzman didn't reveal the father for nine months. When she did, Chris Brown was shocked to find out it was him! Since the baby bombshell, the rapper has tried to maintain a relationship with his daughter Royalty.
Pearl Lowe Launches Collection Of Vintage Dresses For Peacocks
Pearl Lowe didn't announce the father of her daughter Daisy until a paternity test proved it was Gavin Rossdale in 2004. Up until then, he was her godfather.
Kanye West Yeezy Season 3 – Runway
Everyone thought Floyd Mayweather was the father of Lil' Kim's daughter Royal, but the real father eventually took credit for the pregnancy. "Yeah, we're having a baby," rapper Mr. Papers told RadarOnline.com. "I'm ready for daddy duty."
2015 Baby2Baby Gala – Arrivals
Although Kourtney Kardashian was quick to name Scott Disick the father of her first son Mason, model Michael Girgenti claimed Kardashian was hiding the fact that he's Mason's real father. A paternity test taken in 2013 proved the Keeping Up With the Kardashians star wasn't keeping her baby daddy's identity a secret.
Geri Horner Visits Prince’s Trust Mobile Tour
Geri Halliwell kept the father of her daughter Bluebell off the baby's birth certificate when she was born in 2006. But it is believed the father of the former Spice Girl's daughter is screenwriter Sacha Gervasi.
2016 Vanity Fair Oscar Party Hosted By Graydon Carter – Arrivals
Minnie Driver refused to admit the identity of her baby daddy when her son was born in 2008. It wasn't until 2012 that she finally confessed that the father is a screenplay writer. "He's not famous," she told The Observer. "There's no big story."
New Line Cinema Presents “Be Kind Rewind” – Arrivals
Although Woody Allen is the father of his ex Mia Farrow's son Ronan, she hinted his dad might actually be Frank Sinatra in a 2013 Vanity Fair interview.