Shanna Moakler and Oscar De La Hoya reunite for daughter's high school graduation

She did it!

Atiana De La Hoya, who is Oscar De La Hoya and Shanna Moakler's 18-year-old daughter, graduated high school on Thursday, and her mother posted a sweet snapshot of the momentous occasion.

In the photograph, Atiana is wearing a sexy LBD underneath her gold graduation gown with a traditional Hawaiian lei around her neck. Ataiana's parents are on either side of her, with the legendary boxer rocking a short-sleeved button down and the former beauty pageant queen keeping it casual with jeans and a black tank.

Atiana De La Hoya's hottest Instagram snapshots
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Atiana De La Hoya's hottest Instagram snapshots
We did it!! #classof2017 @atianadelahoya @oscardelahoya
I had the great pleasure of attending this amazing event to fight against diabetes! Thank you @sugarrayleonard @oscardelahoya #BigFightersBigCause
A vibe
Coco butta 🖤 @cococollinss
All cozed up in @cherirvie today 🐲 ty @will.portman
Another1 🌹🥀
18th makeup by my incredible aunt @glam_bymo @moreliadelahoya 🌹🌹✨✨👼🏼👼🏼
Best lil bro 🤘🏼🌹 @landonasherbarker
Can’t wait to be back in Bahamas 😇 so soon 💦💦
You can catch me in this river allll day 🤘🏼💦💦
Going on an adventure ;-)
Prom pt 2 ❤️❤️🚀🚀✨✨

While it's no surprise Oscar and Shanna reunited for their daughter's graduation, the sighting of the two exes together is quite a rarity. They got engaged prior to the 1999 birth of Atiana, but their relationship came to an end in 2000 when Shanna, who was at home watching the Latin Grammy Awards, saw her then-fiance bring another woman to the show.

With the dramatic ending to their relationship, it's no surprise that their relationship post-breakup has been quite rocky. However, it's nice to see these two exes set aside their differences for their daughter!

Following her breakup with Oscar, Shanna went on to marry Travis Barker, the drummer for Blink-182. Their life as a married couple was famously documented on the hit MTV reality show, "Meet the Barkers." They divorced in 2008 after four years of marriage.

Oscar, on the other hand, got married shortly after his split with Shanna to the same woman he escorted to the Latin Grammy Awards, Puerto Rican singer Millie Corretjer. They have two children together, Oscar Gabriel and Nina Lauren.

Atiana has yet to reveal her post-high school plans, but she definitely has a future in modeling. The brunette beauty has 63,000 Instagram followers (and counting!) and she's definitely giving us serious Kylie Jenner vibes with her aesthetic.

Check out Atiana's hottest Instagram snapshots in the slideshow above!

RELATED: Kylie Jenner's sexiest Instagrams of 2017:

Kylie Jenner's sexiest Instagrams of 2017
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Kylie Jenner's sexiest Instagrams of 2017
day at Mommy's 💛
happy birthday @stassiebaby to my sister for life ⭐️ shine bby xx
thanks for all the birthday wishes!
20 ⭐️
My capsule collection with @quayaustralia is coming 7.11.17 #QUAYXKYLIE
GQ @gqmexico @gq_germany @mrmikerosenthal
GQ @gqmexico @gq_germany @mrmikerosenthal
last night 🖤
missin my pink hair 🐍
wearing DOLL matte lip today from the new koko 4 piece launching 5/31 3pm @kyliecosmetics I LOVE this fire orange 🔥
DropTwo available right now @kendallandkylie
Loving my new @prettylittlething dress 🔥🔥🔥 #ad
#thecadenceissue @flauntmagazine
excited to be apart of #thecadenceissue @flauntmagazine
one more time
new year who dis
@violetgrey 🖤
Obsessed with my @fashionnova set 💜Get it at 😍 #ad
DropOne @kendallandkylie Coming Soon
Feel Me?
always bring your own tacos 🌮
In another world 💫
too busy making magic with @sashasamsonova 💫
lil babies
Enjoying my @fitteawraps 💪🏼 they're keeping my tummy toned & lean as it gets closer to summer ☀️ @fitteawraps #ad
tag a friend with brown eyes 👁👀
La Familia
Thanks NYC for all the support 😘 Truly Blessed!
@alexanderwangny 🖤
highlighter hair 🌈
Thanks @itsjeremyscott for the beautiful dress and your beautiful show 💋
Jeremy Fittings 💥
DropOne @kendallandkylie Coming Soon
Last night with bae❤️ #kyliejenner snatch pony by @jenatkinhair and makeup by me! #makeupbyariel
Body is a Wonderland ✨
🌋 volcano view
🍊 @mrmikerosenthal
mornings with @sashasamsonova
how strong you stand is what makes you
@puma girl 🖤
@puma girl 🖤
@puma girl 🖤
@puma girl 🖤
☺️ we used "North Star" "Duchess" & "Sandy" from #TheRoyalPeachPalette today.. Thank you thank you guys for the love today can't believe we sold out so fast. Follow @kyliecosmetics to stay updated on the next restock 🍑

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