Britney Spears single again after splitting from boyfriend David Lucado

has ended her relationship with

. "

," the pop star tweeted on Thursday, a signal to fans that the couple's romance was over.Shortly afterwards, a

.

© Photo: Getty Images

It has been reported that Britney heard rumours of a

that showed

with another woman, prompting her to end their 17-month relationship.Britney, 32, and Virginia-raised lawyer David

, just a couple of months after she and her former agent Jason Trawick mutually ended their engagement.

Speaking in November, the singer declared, "

" as she opened up about her boyfriend."

," she told

. "He's really funny and he's really passionate. I love the fact that anything he's involved in he's passionate about and it's contagious."

© Photo: Instagram

Now, Britney is keeping the focus on her two beautiful boys,

, eight, and

, seven, and her

. But a source told

, "

"."She will get through it," the insider added. "She's a strong girl and he was never right for her."