Amber Tamblyn once drank some of Blake Lively's breast milk

Blake Lively and Amber Tamblyn really are the closest of friends.
Blake Lively and Amber Tamblyn really are the closest of friends. Photo: Getty Images

The pair have remained close pals since starring in 2005 movie The Sisterhood of the Traveling Pants, along with America Ferrera and Alexis Bledel. 

And as she appeared on US chat show Watch What Happens Live on Wednesday night, Amber Tamblyn admitted her bond with Blake Lively is so strong that she has even tasted Blake's millk. 

Her admission came after the show's host Andy Cohen asked Tamblyn about her husband David Cross' recent revelation that he enjoys the taste of his wife's breast milk. 

At that point, the actress offered Cohen the chance to take a sip of her milk from a small bottle.

As Tamblyn and the audience egged him on with a chant of "chug, chug, chug", Cohen tried the milk, before saying, "It's very sweet, it's sweet. And it's good with a tequila chaser. Wow, I'm schvitzing. Can I have more? Just kidding. That's the closest to a breast I've ever been. Wow." 

Members of the crowd then started teasing Cohen that he was now an official member of The Sisterhood, with Tamblyn sharing: "That's actually literally true because I've drank Blake Lively's breast milk, and so now technically if that went through me, you've technically had Blake's and my breast milk together." 

Cohen laughed, "So does that mean I've done it with Ryan Reynolds? That would make it all better." 

Lively and Reynolds have been married since 2012 and have two daughters together. Tamblyn and Cross also married in 2012, and welcomed their first child together, daughter Marlow, earlier this year. 

For the first time since the birth, Tamblyn chose to cut loose a little when celebrating turning 34 on 14 May. Tamblyn drank some bourbon whiskey at a party and the birthday booze changed the flavour of her breastmilk, which Cross confessed he has tried multiple times since becoming a dad. 

"It was amazing!" he told New York Daily News gossip column Confidential. "I had some [of her breastmilk] very early on; it was very sweet. And then last night [during Tamblyn's birthday party], I had the tiniest little bit. It was not sweet; it was very decadently creamy, fatty ... It tasted like a dessert you would pay $50 for."

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