And she wasn't the only celeb feelin' herself on the 'gram this week.
With a shritless Justin Hartley.
Rachel McAdams' Thursday was probably a lot more fun than yours. She popped by The Ellen DeGeneres Show to talk about her new movie, Doctor Strange, and naturally Ellen persuaded/strong-armed her into playing the game, "Oops My Water Broke." (Cue all the pregnancy rumours.)
The premise: A shirtless star, in this case This is Us star Justin Hartley, is forced to sit under a precarious water balloon situ. McAdams actually felt seemed to feel genuinely bad when she soaked Hartley. #soCanadian
He had us at hello.
Tom Cruise relived some of his best performances in a live montage on The Late Late Show with James Corden last night.
The video is nine minutes long (so grab a coffee before you tune in), but totally worth the watch to hear the Oscar nom utter some of his most famous lines like "I have the need, the need for speed" and "Show me the money!"
Also hilarious: a surprise guest appearance around the four-minute mark.
Kate Middleton was spotted today without a normally ubiquitous accessory: Her husband!
The Duchess of Cambridge (giving major Jackie O vibes in a Catherine Walker suit) went on her very first solo royal visit today, leaving Prince William and the kiddos behind as she jetted off to the Netherlands for the day.
Wearing pearl earrings borrowed from the Queen, Kate went to see Vermeer's 'Girl with a Pearl Earring', dropped in on the Dutch king for lunch.
Fun fact: She made the trip from London to Rotterdam on a commercial flight, so if you flew that route with British Airways today and totally saw a Kate look-alike..well, it may just have been the actual 34 year old herself.