Rihanna is reportedly in contact with another of her exes to keep Chris Brown "on his toes".
The 24-year-old is believed to have reunited with Chris, despite their tumultuous history, which includes Chris assaulting the Bajan singer in 2009.
Now Rihanna is apparently also in touch with her former baseball player flame Matt Kemp, who she dated during 2010.
"Rihanna and Matt always got on well, he was a rock for her after all the problems with Chris," a source revealed to British newspaper The Sun.
"Although her eye is on Chris, she's learned from past mistakes and isn't going to store all her eggs in one basket. This is keeping Chris on his toes."
Matt reportedly called Rihanna to congratulate her on the success of her latest single Diamonds, taken from her upcoming album Unapologetic.
According to sources, the two then met for drinks in Los Angeles.
Chris split from Karrueche Tran earlier this month, after admitting he still has feelings for Rihanna via a public video message.
It's thought the two stars are back together after they were seen on a string of dates.
Despite their history of violence, Rihanna's father, Ronald Fenty, has openly encouraged the couple's decision to work things out.
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