Pippa Middleton Splits Up From Longtime Boyfriend Nico Jackson

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One of the most gorgeous couples from across the pond is no more.

Pippa Middleton has officially split from her longtime boyfriend, Nico Jackson.

WATCH: Pippa Middleton Shows Off Her Super Toned Bod

The 32-year-old socialite and Jackson, 37, called it quits about 2 weeks ago, a source tells ET. The couple dated for three years, with rumors of an engagement were circulating in 2013.

The source also reveals that Middleton spent the night at the house of her ex-boyfriend, James Matthews, last week.

This wasn't the only time the Duchess of Cambridge's sister has been seen with Matthews recently. She spent time with him and her parents, Carole and Michael Middleton, in St. Barts at Matthews' family's luxury resort, Eden Roc, in August. Despite their quality time together, the source also says that two are not getting back together.

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After a break up, Pippa definitely deserves even more beachside rest and relaxation. See how she spent her last bikini-clad vacation in St. Barts in the video below.

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