Los Angeles, California - Kourtney Kardashian and Travis Barker took their PDA to whole new level while attending a friend's wedding.

But the little show the betrothed couple put on raised some eyebrows on social media.

On Saturday, the newly engaged pair attended the nuptials of Simon Huck and his new husband, Phil Riportella.

Simon, who is a longtime friend of the Kardashian clan, exchanged vows with his beau at a private ceremony at the Bel-Air hotel.

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However, the event was slightly upstaged when Kourtney decided to straddle and grind on her fiancé at the reception when band's famous hit, All the Small Things, came on.

Footage of the petite reality going to town on the Blink-182 member made its way around the internet after the clip was shared by the gossip Instagram page girlwithnojob.

This isn't the first time the handsy pair, who got engaged in October, boldly displayed in some spicy PDA. Remember when the two's steamy make out session the UFC 264 fight in Las Vegas?

Meanwhile, the 42-year-old continued to share her love for soon-to-be husband by commenting his birthday.

On Sunday, the reality star took to IG to honor the drummer with a swoon-worthy post.

"I f**king love you more than anything. My favorite everything. Happy birthday to you my baby!" she gushed in the caption.

The couple's brazen behavior shows that they obviously have a whole lotta love for one another.