Question: Johnny Hallyday is a French singer and actor once married for 15 years to popular Bulgarian-French singer Sylvie Vartan whose performances often featured what type of choreography? 
Sentence (from "Johnny Hallyday"): Hallyday has completed 181 tours, had 18 platinum albums, and has sold more than 110 million records worldwide, making him one of the world's best-selling artists of all time.
Relevant evidence: No