Kate's sister and boyfriend split after 3-year romance

Pippa Middleton has ended her romance with longtime boyfriend, Nico Jackson.

The younger sister to Kate Middleton and her 37-year-old beau called it quits about two weeks ago, according to a source. The couple dated for three years, with rumors of an engagement circulating in 2013.

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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 Matthew's family's luxury resort, Eden Roc, in August.

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Despite their quality time together, the source also says that two are not getting back together because Pippa definitely deserves even more beachside rest and relaxation.