Pippa Middleton is reportedly engaged!

After Duchess Kate's big year, is it sister Pippa Middleton's time to announce some wedding news?

Reports say yes!

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The party planner was surprised by a "romantic and grand" proposal from boyfriend Nico Jackson during their vacation to the luxury Oberi Amarvilas resort in India earlier this month.

A source told Us Weekly magazine:

"It was exactly how he planned it. Very romantic and grand."

The couple - who have been dating for 15 months - have been celebrating their good news in private and are looking forward to a family Christmas before heading off on another trip, skiing in the Alps.

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It was previously claimed that Pippa, 30, and Nico, 36, plan to marry in Scotland.

A source said recently: "A wedding in London would never compare to her sister Kate's of course, and the prospect of erecting a marquee at her parents' house in Bucklebury for a party after the wedding service would be too low-key for her tastes these days."

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Pippa Middleton and reported fiance Nico Jackson in November. Source: Getty

There were reportedly some talk of Pippa hunting out suitable wedding venues on her next trip to Scotland. Nico loves the country too - he thinks it's beautiful - but when it comes to wedding planning he'll leave that to Pippa.

He will go along with whatever she wants. And what she wants at the moment is a wedding in the Scottish Highlands.

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"Nico would love a honeymoon in the Caribbean and a great bachelor party."

Pippa attracted the attention of the world when she was the maid of honour at the wedding of her sister Catherine - formerly known as Kate Middleton - to Prince William on April 29, 2011, when she wore her iconic white figure-hugging dress - designed by Sarah Burton of Alexander McQueen.