Kourtney Kardashian revealed the reason why she always tongue-kisses Travis Barker.
The Kardashians star, 43, is often seen packing on the PDA with her Blink-182 drummer beau, 47, when they attend public events.
They're known for their tongue kissing and the Poosh founder has now explained the reason why they opt for the intimate activity.
She insists there is a logical reason behind the famous lovebirds' constant kissing on the red carpet and revealed all in the latest episode of The Kardashians.
Speaking on the hit-Hulu and Disney+ show, in confessional she said: "I don’t want to get lipstick all over him and I don’t want to ruin my lipstick."
Kourtney added in Thursday's episode: "But we also don’t want to not kiss, so we’ll kiss with our tongues. That’s why we kiss that way."
The revelation comes after she took to Instagram to wish her hubby a very happy birthday in typical Kravis fashion - by posting a number of PDA pics.
She was celebrating Travis' birthday for the first time as his wife and shared snaps of the pair seeming to thoroughly enjoy each other's company.
Among the images, posted earlier this week, was one of the drummer kissing her thigh as she sat raised above him.
In another, she's seen wearing a skimpy black corset-style top sniffing a white rose as the rocker lovingly gazes up at her while wearing a white tank top and thick black shades.
She captioned her post: "I am beyond grateful for the day you were born. Happy birthday to the husband of my dreams, my soulmate @travisbarker. you have changed my life forever."
As per usual, Travis was on hand to praise his wife in the comments section, replying: "My soulmate, I love you forever."
Within a couple of hours of being uploaded, the post has been liked over 1.4million times and received thousands of comments, including a simple love heart emoji from Gui Siqueira.
And Kourtney's close-knit family were quick to follow with sweet posts of their own. Matriarch Kris Jenner, 67, shared a number of pics to her Instagram Stories and wrote: "Happy birthday to my son in law @TravisBarker.
"You are the most amazing dad, stepdad, husband, uncle, son, and friend! @TravisBarker."
She continued in a follow-up story: "You are so kind, thoughtful, generous, creative, talented, and I'm so happy to have you as part of our family!"
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