This Is Us: See Jack and Rebecca's Style Evolution

The main twist in This is Us — that the show is taking place in different time periods with some unexpected ties between the years — offers the added bonus of allowing viewers to see their favorite characters' style evolve. Parents Jack (Milo Ventimiglia) and Rebecca (Mandy Moore) get particularly fun looks in every decade, thanks to their meticulously designed costumes. The amazing vintage clothing! The enviable plaid shirts! The evolution of Jack's facial hair! See all of Jack and Rebecca's season one looks, in order of appearance, ahead.

Jack's Pittsburgh Steelers Terrible Towel keeping the moment from being TV-MA, muscles fully on display. An iconic Jack moment.

Rebecca's outfit for Jack's birthday involved her attempting to wear lingerie over her clothes while pregnant.

Hospital gowns haven't changed much in four decades.

The very first of Jack's collection of classic plaid shirts.

Jack dons a very '80s bomber jacket for a denim-on-denim look.

Rebecca rocks a long skirt and Jack wears his favorite look: jeans and a button-down.

In our first view of Rebecca in the late '80s, she sports a button-down, high-waisted jeans, and wavy, shorter hair with bangs.

Late '80s Jack dressed like a square for his desk job. He even shaved his beard, but the mustache stays.

The next morning, Jack is still in his clothes from the day before, while Rebecca wears PJs and a bathrobe.

This is our first look at Rebecca in the present, dressed simply in a black blazer and white silk shirt, plus her special moon necklace that Jack gave her. Notice the classic mom bob and glasses.

Another classic '80s plaid shirt for Jack, and a long woolly cardigan for Rebecca.

Jack in his favorite denim jacket.

Rebecca proves that Jack isn't the only one who can rock a plaid shirt!

Jack introduces a cut-off sweatshirt into his wardrobe.

Jack gets cozy in a fuzzy sweater over a plaid shirt.

Out in the city, Rebecca looks put-together in a beret and blazer.

Rebecca and Jack take it to the floor, she in a striped skirt, he in leather lace-up shoes that are very Jack.

Rebecca is ready for warmer weather in a cute sleeveless plaid shirt.

Jack in his favorite graphic tee.

Rebecca rocks a serious pool ensemble.

We finally see Jack's medallion necklace!

Jack is the hippest dad at the pool in his swim trunks.

Here's our first look at Rebecca as a child in the 1950s, in a prim and proper outfit.

Choker alert! Rebecca pairs it with a short-sleeved ribbed sweater. Jack looks comfy in a denim shirt.

Rebecca wears a tangerine blouse and Jack wears plaid, but this time it's flannel!

Jack in his favorite kind of outfit.

Rebecca shows her Pittsburgh Steelers pride in a jersey.

Rebecca tops off a plaid shearling jacket with a slouchy knitted hat. Plus, we get a look at the high leather boots.

Jack mixes up his classic plaid shirt with a vest!

Here's out first look at Jack as a child in the 1950s. Under that swell cardigan, he's wearing a plain white t-shirt. Some things never change.

Rebecca in a very '80s colorblock sweater, Jack in a Steelers hat.

Rebecca in another hippie blouse, Jack in his usual plaid, perfect for going to work at the construction site.

Jack in his construction clothes.

Now Rebecca and Jack are in the early '80s, with Jack in a plain grey t-shirt and Rebecca in another peasant blouse.

Jack in the early days of his desk job. Looks like he didn't shave the beard until after he started. "You don't even own a tie," Rebecca remarked when he first told her about his career change. Here we see what may be his first tie.

Jack at his desk in the late '80s. Now he has shaved the beard and rocks a paisley tie.

Rebecca in a feminine twist on the plaid shirt.

Jack and Rebecca get serious in a suit and a white turtleneck and cardigan, respectively.

Jack styles up his work clothes with a very good geometric tie.

Jack finds a way to wear plaid to the office.

Rebecca in another great '80s sweater.

Jack looking sharp in his work clothes.

Another work outfit.

Our first look at Rebecca in the early '90s. The straight hair is back, and of course, mom jammies.

Our first look at Jack in the early '90s, rocking a questionable goatee.

Even Rebecca is a victim of unfortunate '90s fashion in a short-sleeved turtleneck and a hat.

Vests: another love Jack and Rebecca share.

Jack's plain T-shirt: jammies edition.

More mom jammies, this time with an excellent, very '90s, mom robe.

The '90s aren't all bad: Rebecca's shirt is cute. Jack is dressed like Jack.

Sticking to basics here: Jack in grey, Rebecca in plaid.

1980s plaid Jack, Rebecca in a patchwork shirt.

Jack keeps the patchwork ball rolling with this very important shirt, while Rebecca wears a old school striped dress.

Jack is probably only wearing this sweater vest because they're going to Rebecca's parents' for Thanksgiving. Rebecca wears a sweet '80s blouse under her apron.

Present-day Rebecca usually dresses conservatively, but here she's wearing a calf-length vinatge-looking skirt.

Jack adds a jacket, Rebecca adds a striped coat. We also get to see her plaid skirt and ankle boots.

Rebecca tops off her cold-weatherlook with a slouchy knit hat.

Rebecca wears her faves: plaid and a beret. Jack wears a classic brown jacket.

Rebecca in a mock-turtleneck, Jack in classic plaid.

Another paisley tie!

Rebecca shines in a simple but pretty sweater.

When Present Randall hallucinates Ghost Jack, he imagines him in the late '80s, wearing a plaid shirt, of course.

Living that vest lifestyle with his son by his side.

Jack sporting a plain white T-shirt like few others can.

Rebecca in another one of her sleep ensembles.

Rebecca mixes patterns, opting for a striped sweater paired with a wool jacket with woven stripes on the borders.

The Rebecca of Randall's imagination is in the late '80s wearing a floral tie-strap dress.

Jack is wearing shorts! He pairs them with short-sleeved plaid.

Randall's imagination Rebecca, still in the late '80s, now in a sweater with a tied collar.

Jack wears flannel plaid, Rebecca wears a woolly blazer. But don't worry, her plaid coat is on the seat next to her.

Rebecca's wearing her cardigan from the '80s that she wore in episode 6. Everything old is new again.

Jack in a comfy winter sweater.

Rebecca accessorizes her casual chic ensemble with a pin.