Rihanna's Birthday Tweet From Chris Brown Continues Rumors of Secret Romance

Rihanna's birthday tweet from her ex Chris Brown has fans revisiting the rumors that the two are secretly rekindling their romance.

Many people went to Rihanna's twitter account to wish her a happy birthday, Monday, for her 24th birthday. However, it's the tweet from her controversial ex Chris Brown that has people wondering what's really going on between the two.

"HAPPY BIRTHDAY ROBYN," the tweet from Chris Brown read.

Rihanna, whose real name is Robyn Rihanna Fenty, replied the tweet with a simple, "Thanks!" Yet many are questioning whether or not she is secretly hooking up with her ex.

Many people read deeply into the lines of communication between Rihanna and her ex, Chris Brown, who attended Rihanna's party in the Barbados, called "Only Girl in the World" last week, according to Popularcritic.com.

Brown sent the tweet just after midnight, Monday, making sure to be one of the first of Rihanna's birthday wishes for everyone to see.

The restraining order against Chris Brown, as a result of his 2009 assault on Rihanna, has been relaxed, according to the Post Chronicle. Three years after his conviction for the assault, Rihanna seems to have forgiven Brown and the two have been recording together and partying together.

In addition, the two will be collaborating on a single for Rihanna titled, "Birthday Cake." Rihanna is also expected to be featured on a remix for Chris Brown's "Turn up The Music." Rihanna and Brown also expressed their love for each other on Twitter earlier in the year, which initiated the rumors about them reuniting.

Chris Brown's current girlfriend, Karrueche Tran, is reportedly unfazed by the swirling rumors, according to a TMZ report. Tan is confident in their relationship and says they are solid and living together. Tran thought nothing on Brown attending Rihanna's private birthday party since Brown rushed home to her and flew her to Miami for Valentine's Day.