Britney Haynes, who competed on CBS' "Big Brother" in 2010 and 2012, revealed over the weekend that her 2-month-old daughter Tilly has been diagnosed with cancer.
"On September 1st, we were among the daily 720 sets of parents to be absolutely devastated with a Childhood Cancer diagnosis," Haynes wrote on Facebook over the weekend, according to TMZ.
"September is National Childhood Cancer Awareness month. Please take the time to pray for all these children, our sweet baby included. We appreciate each and every one."
Haynes, who won America's Favorite House Guest her first season on the reality show, gave birth to her first child July 13. She and her high school sweetheart Nathan "Ryan" Godwin married in March 2012.
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Haynes also tweeted the devastating news along with a photo of her daughter.
Many took to Twitter to give their support to Haynes and her family.
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