In more ways than one, she was played by Elizabeth in "The Crown"
11A
"I'll be right there! Just ___!"
15A
___-Dame de Paris (famous cathedral damaged by fire in 2019)
16A
World's largest computer chip maker
17A
Laundry unit
18A
"Fastest tennis game ever, and that's no lie"?
21A
Chicago airport code
22A
Home to all 14 mountains that are more than 8,000 meters tall
23A
Toxic Lake in Arizona
24A
Spotted
27A
Pillow pal
30A
"I've seen some talented lumberjacks in my day, but that was amazing"?
32A
33-Across: Sp.
33A
"___ Miserables"
34A
Distress call
35A
Is not, incorrectly
36A
Obsessively hit Refresh at usps.com, e.g.
39A
Aquarium growth
41A
Grilled, as eggplant or Impossible Burgers
42A
Jedi foe
43A
Mrs. Affleck, to fans
44A
"No preference. You choose."
45A
Get all up in someone else's business
46A
Went around the rope?
51A
Drinking 5-Down, maybe
53A
Sports stadium
55A
Charged atoms
56A
"Yeah...that's a hard pass"
57A
GPS suggestion
58A
Cajun dipping sauce ingredients?
63A
"Dies ___" (Latin hymn)
64A
Beginning
65A
1/16 pint or, unrelatedly, 1/16 pound (because the metric system is too hard, I guess)
66A
Mahjong or pinochle group
67A
New Orleans : parishes :: Chicago : ___
68A
Throws at high velocity
Down
1D
Defrost, as a windshield not a waffle
2D
Unwell
3D
Small apartment
4D
Make a mistake
5D
Deets, when spilled
6D
Big-rig fuel
7D
Like some jokes
8D
Palindromic flour used to make naan
9D
Old Testament memoir about rebuilding the walls of Jerusalem in 52 days: Abbr.
10D
They keep the taps flowing at brew pubs
11D
What you may tell Alexa to set after you tell her to turn off the bedroom light
12D
Interpersonal skills
13D
Have a meal
14D
DIY front yard Christmas decorations (I mean, they're just sitting in the back of your closet. Might as well put them to use.)
19D
___ belli (cause of war)
20D
Chia pets and NFTs, for example
25D
Flower bed covering
26D
School for shorties, for short
27D
Word after baby or before bust
28D
Shade
29D
Abbr. before a date, e.g., "Heinz ___ 1869"
31D
Baton Rouge univ.
35D
Pit of darkness
36D
Recipe qtys.
37D
Rihanna, to fans
38D
Odd
39D
Basically a snail without a mobile home
40D
___ anglais (English horn, which is confusingly known by this french name in England, even though the instrument itself is neither English nor French in origin)
41D
___ B'rith (Jewish organization)
43D
Brooding bastard of the North in "Game of Thrones"