Kourtney Kardashian 'cried for two days' after being unable to see kids

Kourtney Kardashian has been reduced to tears as she spent time away from her three young children.

The 44-year-old has been joining her husband Travis Barker as he tours with his rock band Blink-182, but it's meant she's had to go without seeing her kids for more than a week.

Kourtney - who shares Mason, 13, Penelope, 10, and Reign, eight, with her ex-boyfriend Scott Disick - took to Instagram to share an emotional update with fans.

She wrote: "Haven't seen my babies in 10 days, the longest I haven't seen them ever. Cried for the past 2 days. Finally, get to squeeze them tomorrow!"

The Kardashians star also shared a picture of herself posing with Penelope and Reign.

Kourtney Kardashian has struggled to be away from her kids (@kourtneykardash/Instagram)

She's been travelling with her husband (GC Images)

The picture was taken back in April as the family enjoyed some good music at Coachella.

Kourtney has been keeping fans updated with her life on tour with her rock star husband and has shared a number of snaps on social media from their travels.

The Lemme founder looked incredible in one picture as she wore a revealing lace top tied together across her chest.

In another picture, she showed she was Travis' number one fan girl by wearing a Blink-182 top. She paired the T-shirt with a pair of oversized black dungarees.

The reality star has been showing off her tour fashion (@kourtneykardash/Instagram)

Kourtney shares three kids with Scott Disick (instagram)

Kourtney was also joined by her sister Kim Kardashian, despite rumours they're feuding.

Kim joined her older sister at Brooklyn's Barclays Centre to watch Blink-182 perform.

Kourtney posted a selfie with Kim on her Instagram Story, writing: "Look who's together on @kardashianshulu season 3 premiere night."

Kim also took to Twitter to apologise to fans for not live tweeting their show's premiere, saying: "Sorry sorry I’m here! Sorry had to pull up to the Blink 182 concert I did NOT forget about you guys."

While the sisters seemed to get on during the concert, it comes after Kourtney accused Kim of using her wedding as a "business opportunity" in the new season of their reality show.

In a trailer for the show, Kourtney said her sister has "no boundaries" after Kim agreed to work with Dolce and Gabbana just months after Kourtney's wedding was sponsored by the designers.