Kim Kardashian West was startled in the middle of the night by a ''drunk naked woman'' who tried to get into her hotel room.

The pregnant 34-year-old star is attending the Cannes Lions Festival in the South of France and was woken up at 4am on Wednesday morning (24.06.15) by the inebriated fellow guest who believed Kim's room was her own.

The mystery drinker, who was not wearing any clothes according to Kim, tried to use an American Express credit card to get into the room.

In a series of Twitter posts, Kim revealed: ''Thanks to the drunk naked woman banging on my door I have been up since 4am! I'm so sleepy now but have to work! It's gonna be a long day ... She thought her Amex was my room key lol (sic)''

Kim took a video of the drunk woman's disastrous attempt to find her own room and is hoping she bumps into her today at the hotel so she can remind her of her alcohol-induced antics.

In other tweets, she added: ''I took a fun video of her as a reminder of why I never tolerated drinking 2 much! Slob kabob! I won't post it but it's funny! I think she's staying at my hotel she just had the wrong room # I hope I run into her today (sic)''

Kim will be taking part in a Q&A session at the Cannes Lions event, which is the biggest creative festival in the world.

The 'Keeping Up with the Kardashians' star - who is pregnant with her second child with her husband Kanye West, with whom she already has two-year-old daughter North - is in Cannes with her mother Kris Jenner and her younger half-sister Kylie Jenner.