Kelly Rowland has reportedly married her long-term boyfriend and manager Tim Witherspoon.

According to Us weekly, the former Destiny's Child star got hitched to Witherspoon in an intimate ceremony held in Costa Rica on 9 May.

"It was a quick, simple ceremony," a source told the website.

Beyoncé, who was among the 30 guests that attended the secret wedding, is said to have hinted at the nuptials in an Instagram post.

Beyonce sports wavy locks and what appears to be a bridesmaid\'s dress. Instagram

On the morning of Rowland's big day, the Single Ladies hitmaker posted a snap of herself in what is believed to be a bridesmaid's dress with the caption "Good Morning".

She confirmed she was preparing to say 'I do' during an appearance on the Queen Latifah show in December.

"He put a ring on it. It's been a while. We've kept it very, very low - for years, to be completely honest," she told Latifah.

Rowland, who was previously engaged to football player Roy Williams, has been romantically linked to Jamie Foxx and Pusha T.