"Chesterfield, have you fallen asleep with the bone in your mouth?" the actress says in the clip. "I think you have." Aww!
The "Morning Show" actress gave her 35M followers an official introduction to the new doggo in the caption: "Hi! I’d like to introduce to you the newest member of our family. This is (a very tired) Lord Chesterfield. He stole my heart immediately." We can see why!
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The Emmy award winner then shouted out The Wagmor Pet Hotel & Spa, a dog rescue where she picked up Chesterfield, thanking them "for the incredible work" they do.
"Grateful you take such great care of these rescues and find them their forever homes," she wrote.
The actresses' famous friends like Rita Wilson, Lily Collins and Maria Sharapova commented on the post. As Sharapova said, it was "Love at first sight"!