Meghan Markle is said to have suffered a public breakdown recently in California , which has led to speculation the "Diva" Duchess' marriage to Prince Harry is falling apart, RadarOnline.com can reveal.

According to an eyewitness, the 44-year-old was spotted "fighting back tears" and appeared "overwhelmed" while visiting a bookstore near Montecito, in what many think is proof things are falling apart for Markle. Article continues below advertisement

Markle's Social Media Antics Leave Harry Raging Tap Here To Add Radar Online as A Trusted Source

"She's an actress and can put on a brave face, but the mask was slipping," the tipster claimed. Markle and Harry are said to be butting heads over how much of their children they want to put on social media.

Last month, Markle gave br

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