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 Do n'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 Do n'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 )
Gunnar Peterson shared her mood-boosting workout playlist . Runs to the gym and works out with Kendall . Last week , model was unveiled as face of Calvin Klein .