Jackson had an extensive guest list for her 32nd birthday party held at Blush Nightclub, in Las Vegas over the weekend.
3, though there have been reports her relationship with manager Jason Trawick is on the rocks.
A rep for the couple denied the claims that Trawick has no plans to follow through with the wedding.
The timing of reports that Spears' relationship is in trouble and news of her ex's new relationship could be coincidental, but we couldn't help but notice that it sounds a lot like what Alexander was spouting back when Britney first became engaged to Trawick in 2011.
Hollywood stars always know how to throw an amazing party - and Shar Jackson is no exception.
A "source close to the situation" revealed that Federline's former fiancee (whom he dumped while she was pregnant with their second child for Britney back in 2004) is now dating Spears' first husband and childhood sweetheart, whom she was married to for 55 hours in 2004, before they had it annulled.
The source told Radar Online that Alexander and Jackson met at a gifting suite in Los Angeles years ago and have been friends ever since, but they recently decided to take things to the next level.
According to the source, Alexander has been by her side following a number of tragic events, including her assistant's suicide and her friend passing away from cancer.
The 30-year-old pop star is currently planning wedding No.
The party took place at Caesars Palace, most notably the club Pure. It's a baby mama drama back stabbing get you back you stole my man so let me show you what I got ha ha... So, Shar Jackson has struck back by sleeping with Britney Spears' ex-husband, Jason Allen Alexander (remember him?
By Radar Staff It’s not odd for celebrities’ scorned exes to find love again, but it’s bizarre and a little confusing when they end up dating someone who was the displaced ex of their former lover’s lover!
Shar Jackson, the baby mama and former girlfriend of Kevin Federline, is dating Jason Alexander, Britney Spears’ first husband, and Radar has the exclusive details about the unlikely new couple.