Gwyneth Paltrow Wishes Ex Chris Martin's Mom a 'Happy UK Mother's Day' in Sweet Post

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Great grandma alert! Gwyneth Paltrow took a minute on Sunday to honor her former mother-in-law, Ali Martin, on Mother’s Day in the UK.

WATCH: Gwyneth Paltrow Wishes Ex-Husband Chris Martin a Happy 40th Birthday -- See the Sweet Pic

The Goop creator, 44, posted a photo with Ali to Instagram, writing, “Happy UK Mother's Day to all, especially this lovely Mum of 5 and extra special grandmother of 6 #alimartin.”

Paltrow and the Coldplay frontman announced their decision to “consciously uncouple” in March 2014 after more than 10 years of marriage.

Despite their split, the stars remain close and continue to co-parent their children, Apple, 12, and Moses, 10.

Paltrow opened up about their close friendship in February’s InStyle, saying, "To this day, Chris would take a bullet for me. Even though I'm not his wife."

WATCH: Gwyneth Paltrow Says Ex-Husband Chris Martin 'Would Take a Bullet' for Her

Earlier this month, Paltrow celebrated Martin’s 40th birthday with an adorable family photo, writing, “HAPPY 40th BIRTHDAY to the best daddy in the world!!! We [love] you so much!”

For more from the cute family, watch the clip below!