Shanna Moakler “Hurt” by PDA Ex Travis Barker similarly to Kourtney Kardashian: Source

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Although it’s been over 10 years since Shanna Moakler and Travis Barker broke up, old memories of their past are unearthed amid her new relationship with Kourtney Kardashian.

“Shanna left Travis, but it was painful that everything she did for Kourtney she did before for her, like the plane flying overhead, the flowers. Just the same,” a source close to Moakler, who meets with Matthew Rondeau, he tells PEOPLE.

To celebrate Keeping up with the Kardashians On the star’s birthday weekend, musician Blink-182 took Kardashian on a getaway to Laguna Beach, California. While traveling, he pampered founder Poosh with a celestial flag flying over the beach reading “Happy Birthday Kourtney.”

ABOUT US: Shanna Moakler has no “will” to Travis Barker’s ex-girlfriend, Kourtney Kardashian

The singer gave Kardashian, 42, a massive floral arrangement in her house, which she showed on Instagram.

While the source notes that “Shanna and Travis are cordial and friendly – they have a long history together,” seeing her love professions for Kardashian – which are similar to what she did for Moakler, 46 – was difficult for his ex.

“Again, she moved in with Travis and has her own boyfriend and life, but this is just painful for her,” said Moakler, who was married to Barker between 2004 and 2008.

Jeff Kravitz / FilmMagic Shanna Moakler and Travis Barker

In addition, the former Miss USA is in conflict over Kardashian’s relationship with the children Moakler shares with Barker. (Barker is the father of his 15-year-old daughter Alabama Luella, 17-year-old son Landon Asher, and 22-year-old stepdaughter Atiana De la Hoya with Moakler.)

“Of course, Shanna wants her children to get along with their father’s girlfriend,” says the source, but when it comes to Kardashian’s purchase of children’s generous gifts, “she feels uncomfortable. Shanna is not as rich and can’t compete with that. “

ABOUT: Kourtney Kardashian and Travis Barker’s Sweetest Photos Together

Travis Barker / Instagram Travis Barker and Kourtney Kardashian

People broke the news of Kardashian’s relationship with Barker, 45, in January. The couple made their Instagram love official with a handheld photo posted after Valentine’s Day.

Ever since they went out in public with their relationship, the two have posted each other on social media.

LINKED: Scott Disick “fights” with Kourtney Kardashian and Travis Barker’s relationship: Source

As for Kardashian’s ex, Scott Disick, a source recently told PEOPLE that Flip it Like Disick the star “fights” with her and Barker being together.

“Scott was quite shocked to learn that they were meeting and can say that they moved very quickly,” said the source about Disick, who shares 11-year-old Kardashian Mason, 8-year-old Penelope and 6-year-old Reign. “His kids love Travis, which is hard for Scott. Kourtney and Travis are like a family with kids. Scott is having a hard time in this situation.”

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