With her toned abs, endless legs and glowing skin, Kendall Jenner is one of the world's most in-demand models. But,  looking as good as a Calvin Klein model is the result of a lot of dedication and gruelling training. The 19-year-old clothes horse has revealed that a pumping playlist - with plenty of beats by her brother-in-law, Kanye West - is what motivates her. Scroll down for video . Kendall Jenner has shared her favourite work-out playlist and running to the beats of her brother-in-law is what gets her through a gruelling session . Sharing her workout playlist with Vogue, Kendall revealed her five favourite endorphin-boosting songs to be: Kanye West's All Day, Big Sean's I Don't F**** With You, Drake's 0 To 100, Kanye West's Mercy and A$AP Ferg's Work. The man responsible for keeping Kendall in shape is Gunnar Peterson, a Beverly Hills-based personal trainer who has worked with Angelina Jolie, Jennifer Lopez and Matthew McConaughey. 'I do whatever he tells me to do,' said Kendall of their four-times-a-week sessions. 'Some cardio, some muscle-building to tone myself up. 'I’ll run to a gym and get on the treadmill; I [also] do a lot of ab work and planking.' Kendall, seen in her workout gear, says she runs to the gym, does lots of ab work and swears by plenty of planking for staying trim and toned . When fashion month is in full swing, Kendall revealed she guzzles detox tea to keep herself in shape for the countless big-name shows she  appears in. 'I usually start my day off with a cup of detox tea,' the model and Kardashian offspring told E! News. 'I have like 12 cups a day.' Kendall also divulged that she snacks on apples and keeps her energy up by eating 'a clean diet with loads of fruits, vegetables and lean proteins.' And somewhere between the gruelling days and star-studded evening soirees she attends, Kendall does try to make rest a priority. 'My beauty secret for fashion week is just getting a good amount of sleep,' she said. 'I feel like I at least need about seven hours, eight hours of sleep to function.' Kendall, seen showing off her toned abs, left, and lithe legs, right, has landed herself a gig as the face of Calvin Klein and is already the face of Estee Lauder . It seems that Kendall's strict regime is paying off; fashion giant Calvin Klein finally confirmed her as its newest campaign star last week. A spokesperson for the brand praised Kendall's 'modern beauty' and 'youthful spirit', while also noting the reality's stars impressive global fan base. Kanye West's All Day . Big Sean's I Don't F**** With You . Drake's 0 To 100 . Kanye West's Mercy . A$AP Ferg's Work. In a statement made via Calvin Klein, Kendall said of her latest fashion foray: 'Modeling for Calvin Klein Jeans is really a dream come true. 'I’ve grown up wearing the brand and seeing the iconic advertising in magazines and on billboards featuring some of the world’s top supermodels. To now be a part of that legacy is truly an honor.' Kendall - who has been busy in Paris modelling for everyone from Chanel to H&M - is already the face of Estée Lauder, a brand which also hailed her massive social media standing when announcing that they had signed her up as their newest campaign star. It's been a  busy few weeks for Kendall who, after modelling in numerous fashion week shows around the globe, has just this month debuted a new video campaign for Estee Lauder. She also appeared in a new shoot for the US edition of Vogue alongside  Justin Bieber and best friend Gigi Hadid. Hard-working: Kendall also said she aims for seven-eight hours sleep a night during Fashion Week. Pictured walking for Tommy Hilfiger (left), Ports 1961 (center) and Pucci (right)
Kendall shared her mood-boosting workout playlist . Runs to the gym and works out with Gunnar Peterson . Last week, model was unveiled as face of Calvin Klein .