, 37, recently admitted .
The former couple share three children together: son Mason, 11, daughter Penelope, eight, and son Reign, six.
Meanwhile, Shanna and Travis tied the knot in 2004 and divorced in 2008.
The former couple share 15-year-old daughter Alabama and 17-year-old son Landon together.
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Back in February, Shanna seemed supportive and Travis and Kourtney's romance when
According to , Shanna told a paparazzo outside of LAX that she's "happy" for her ex and Kourtney.
Shanna said: “He’s my friend and co-parent, and I want him to be happy.
"And if being with her makes him happy, and she’s happy, I’m happy for both of them, honestly.”
She added: “He can handle that Kardashian drama.”
Travis Barker grabs Kourtney Kardashian's bum while she poses in thong bikini as rocker 'plans to marry the star'