Kourtney Kardashian Was 'Mortified' By Sick Diddy Cake At Travis Parker's Son Landon's 21st Birthday Party

Kourtney Kardashian didn't find the inappropriate DD joke at her stepson's birthday party the least bit funny.

The POOSH founder, 45, attended Landon Donovan's 21st birthday bash at Nobu Malibu on Wednesday. Travis Barker. During the event, servers carried bottles of baby oil with flashing lights. Arrested on domestic charges during DD.

'Kourtney wasn't into the joke at all and was devastated when she realized what was happening,' a source exclusively told DailyMail.com on Friday.

'She wanted to leave because she was afraid of being associated with this joke. But it was too late and she confronted Travis. He said it wasn't his idea, but they both knew how awkward it was,' the insider added.

'They believed it would not go public. At a time when the family wanted to distance themselves from DD, Landon teased something more serious,' says the source, adding that it 'caused tensions'.

The Bush founder, 45, attended Landon Donovan's 21st birthday party at Nobu Malibu on Thursday as her husband, Travis Barker, carried baby oil bottles with flashing lights. He was arrested on sex charges; (DD in 2018)

DailyMail.com has reached out to reps for Kardashian and Parker for comment.

Kourtney and Travis have successfully reunited their families since their wedding in May 2022, so the family mistake was unexpected.

Kourtney Mason shares Penelope and the reigns with her ex Scott Disick, while Travis is father to son Landon, daughter Alabama and stepmother Adyana De La Hoya with Shanna Mockler.

In November, Kourtney and Travis welcomed their own son, Rocky, into the family.

At Landon's 21st birthday party on Friday, the DJ pumped up the crowd, saying, 'We're freaking out tonight. Tonight we get TD Freaky.'

A reference to Diddy's infamous 'freak-offs', the drug-fueled sex parties that became the focus of the federal case against him, sparked immediate controversy.

While it's unclear whether Blink-182 drummer Travis Barker had any involvement in the inappropriate jokes, fans still labeled them as 'insensitive and gross'.

Before partying with her pals, the newly legal drinker grabbed dinner at a celebrity-friendly sushi spot with her dad and stepmom Kourt.

Earlier in the day, Travis shared a slideshow of his eldest son's photos from throughout his life on Instagram.

Alabama Parker, Reign Disick, Kourtney Kardashian, Travis Parker, Landon Parker and Adyana De La Hoya attend the Los Angeles premiere of Hulu's new show The Kardashians at Goya Studios on April 07, 2022.

Travis Barker threw his son Landon Barker a 21st birthday party at Nobu Malibu on Friday.

At the party, servers carried bottles of baby oil with lights inside

'Happy birthday @andonasherbarker. You blessed my world 21 years ago and I am forever grateful,' her upbeat caption began.

'I'm proud of the man you've become and all you've achieved and achieved. You are the best son and brother anyone could ask for. I will always love you my boy and cherish every moment with you.

Kourtney commented on the post, '21!!' With the heat emoji.

Landon's sister Adyana De La Hoya wrote, 'Landon, best sister,' while Landon wrote to his father, 'I love you!'

Meanwhile, Combs maintains his influence and continues to be a force in the entertainment world even while in prison.

Ishai Mohan, 54, is currently in federal custody amid serious federal sex trafficking charges and various civil lawsuits.

The bottles are a clear and tasteless reference to the 1,000 bottles of baby oil allegedly found inside Diddy's home when she was arrested on sex trafficking charges.

Later at the party, the DJ exclaimed, 'We're really weird tonight. Tonight we get DD Freaky'

The 'freak-offs' are what Diddy called his drug-fueled sex parties and are at the center of the feds' case against him.

While it's unclear if the Blink-182 drummer had any part in the offensive jokes, fans are calling the jokes 'insensitive and gross'.

Earlier in the day, Travis shared a slideshow of his eldest son's photos from throughout his life on Instagram

'I will always love you my boy and cherish every moment with you'

Kourtney commented on the post, '21!!' With the heat emoji

A source told People Monday that his reputation continues to inspire fear among many in the industry, reflecting the lingering reach of his influence.

'He is very powerful. Everyone was afraid to cross him,' said the insider. 'Even though he's behind bars now, he's still powerful. We knew that right away.'

The source added: 'He's incredibly smart, he knows a lot of people and he's helped a lot of people – so a lot of people owe him. He knows that.'

DD's obsession with control is often internalized and attributed to his creative genius.