Kim Kardashian's half-sister reaches the miletsone on 10 August (15) and the following weekend (15-16Aug15) she is reportedly flying her friends in a helicopter from her native U.S., where the legal drinking age is 21, to a nightclub in Montreal where she will lawfully be allowed booze.

Jenner's official birthday party will take place at dance music hotspot Beachclub, billed as the "biggest outdoor club in North America", and the venue's event page boasts the party will "be sure to offer many special guests and great surprises".

Tickets are being sold between $40 (£25) and $150 (£94), and Jenner has reportedly been paid between $100,000 (£62,500) and $200,000 (£125,000) to attend, according to