Steven TylerandAimee Prestonare “crazy” about each other!

The legendaryAerosmithrocker, 71, and his girlfriend hit the red carpet together Wednesday night in Hollywood, California, to support his daughterLiv Tyler’s new sci-fi space filmAd Astra.

Both Steven and Preston, 32, were all smiles as they posed for photographers at the premiere, with their arms around each other and evensharing a smooch for a few snaps.

With his dark hair tied up, the musician wore a variety of necklaces and rings that jazzed up his already stylish ensemble of olive-colored pants, a dark button-down shirt, and a matching blazer. He added a pair of black specs and a snake-like earring to complete the look.

Preston, meanwhile, opted for black cigarette trousers with a matching leather tank top that featured a bit of lace peeking out from the bust. She wore a colorful necklace and her blonde hair down in waves, finishing her outfit with a pair of strappy black stilettos.

Matt Baron/Shutterstock

Steven Tyler and Aimee Preston

Preston worked as Steven’s personal assistant before their relationship took a romantic turn. The couple made their official debut in February 2016 at an Oscar viewing party forElton John’s AIDS Foundation.

Over the past few years, they have shared various snapshots of each other to social media (many PDA-laden!), alongside heartfelt messages — like a throwback image of the pair lounging outdoors that Preston posted in March in honor of her beau’s birthday.

Steven Tyler (L) and Aimee Preston.John Photography/Shutterstock

Steven Tyler and Aimee Preston

“A pic from the first one of these … 👌 And the years of orbiting the sun together just keep getting more of something I hope I never figure out,” she captioned it. “Happy Birthday to the love of the life!”

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Chelsea, 30, and Foster — the husband-wife duo behind the EDM bandKaneholler— announced that they’re going to be parentswith matching Instagram postson Monday.

Both the mom- and dad-to-be kept their captions simple, with Foster writing two exclamation points and Chelsea sharing a red heart emoji.

source: people.com