Channing Tatum has thanked fiancée Zoë Kravitz for "finding" him in a gushing post.

The 44-year-old actor has praised his 35-year-old actress partner for giving "every single ounce" she has to her directional debut, 'Blink Twice', and vowed to have her back "against it all".

Sharing a picture of the exhausted star fast asleep on him, he penned on Instagram: "This little sweet. She So tired bro. Every time I wondered if she’d break…. She just kept going and going and going. Always on the dig for truth. She pour’d every single ounce of her into this film. I’m so proud to stand ten toes down for her, this film and everyone in it. forever. Knowing what it took to make it. No one will ever know. Thank you for finding me and seeing me. I got you forever. Me and you back to back against it all. I’ll never blink. Let’s go. #blinktwice.(sic)"

Channing recently compared working with Zoe to "marriage".

The movie star stars in 'Blink Twice' and called it one of the "most gratifying things".

He told PEOPLE: "To get to create something with someone that you love is probably one of the most gratifying things other than having a kid with somebody, I think.

"It's one of those ... you truly are creating something from nothing and it's just like creating a marriage or creating something where you're like, everything that we are is going into this thing and you want to make it with people that you love."

Zoe said working with Channing brought them closer together.

She explained: "I think going through something creative like this with anybody makes you closer and there's so much trust there.

"Yeah, we got to work together and go through hard things together and support each other, and it was beautiful."

Speaking at the film's Los Angeles premiere, Zoe thanked Channing for letting her be a "psycho control freak" director.

Reading a note to the film's crew, Zoe said: "From producing to performing to the pep talks to holding my head or my feet while I cried on the bathroom floor because I thought I f***** it all up, thank you for letting me be a complete ODC psycho control freak.

"Thank you for your patience. Making this film with you has been an awfully great adventure. Thank you for trusting me to female direct you. It’s really very cool to get to make a movie, but when you get to do it with the love of your life, it’s even cooler."