Coty to buy 20% stake in Kim Kardashian West's $1 billion beauty line

(Reuters) - Coty Inc will buy a 20% stake in reality TV star Kim Kardashian West's makeup brand KKW for $200 million, the cosmetics maker said on Monday, sending its shares up 17%.The deal values West's cosmetics line at $1 billion, slightly lower than the $1.2 billion valuation Coty put on West's half-sister Kylie Jenner's business when it bought a majority stake in her namesake cosmetics line in January.West, who is known for chronicling her life with her sisters on TV's "Keeping Up with the..