BUZZ: Are Kate Hudson and A-Rod Splitting Up?

Kate Hudson and Alex Rodriguez

Seth Browarnik/Splash News Online; Ronald Asadoria/Splash News Online

12/14/2009 AT 6:50 PM ET

Was Alex Rodriguez just a boy of summer?

The Internet is a teeming with reports that the Yankees star and Kate Hudson have split after a months-long relationship that saw the actress cheering him on during the World Series.

There had been no signs of trouble, and as recently as Friday, Hudson, 30, was a giggly mess when David Letterman pressed her about Rodriguez, 34, during her Late Show appearance.

So what, if anything, changed?

A-Rod, it turns out, spent the weekend in Miami – without Hudson – attending an Armani Exchange party Saturday at the Delano Hotel, where accounts differ on how close he got to one of the female guests. One source says he “flirted with a blonde,” while another source says he “may” have flirted, but more likely was “just being friendly.”

Reps have so far not commented.

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