Jessica Ellen Cornish (born 27 March 1988), known professionally as Jessie J, is an English singer and songwriter.
 Born and raised in London, she began her career on stage, aged 11, with a role in the West End musical "Whistle Down the Wind".
 She studied at the BRIT School before signing with Gut Records and striking a songwriting deal with Sony/ATV Music Publishing.
Thomas "Tom" Kalinske (born July 17, 1944) is an American businessman, best known as having worked for Mattel 1972-87, reviving the Barbie & Hot Wheels Brands, launching Masters of the Universe, then being promoted to CEO of Mattel from 1985 to 1987.
 Next he was CEO of Matchbox, and then was recruited to be the president and CEO of Sega of America, Inc. from 1990 to 1996, and the CEO and COB of Leapfrog 1997-2006.
 His aggressive marketing decisions during his time at Sega, such as price drops, anti-Nintendo attack ads, and the famous "Sega Scream" TV campaign, are often cited as key elements in the success of the Genesis video game console.
 He is currently the Executive Chairman of Global Education Learning, a company dedicated to children's education in China.
Harry Bickerton (1922–1994?)
 was a British engineer in the fields of aerospace engineering, aircraft engine design, and bicycle construction and design.
 He became a household name in the UK in the early 1980s after a successful TV campaign advertising the Bickerton (bicycle), a folding bicycle that he originally designed in the 1970s and perfected over time.
 In the mid-1970s, The British Central Office of Information released a film, presenting the Bickerton Portable as a symbol of the British lifestyle while simultaneously extolling its technological advantages ("The smallest bike in the world").
David Grammont, better known under his stage name Tonton David is a French Reggae singer born in Réunion.
 He is renowned for his raggamuffin performances, but uses influences of soul music, gro kâ (from the French West Indies), the Zairian rumba.
Dinmukhamed Kanatuly Kudaibergen () is a Kazakh singer born on May 24, 1994 in Aktobe, Kazakhstan.
 Dimash's parents Kanat Kudaibergenovich and Svetlana Aitbayeva are honored music artists of the Republic of Kazakhstan.
 Dimash is a tenor altino.
 He was the 2015 Grand Prix winner of the Slavianski Bazaar in Vitebsk In the same year, he was named the "Nation's Favorite" (kazakh. "
Халықтың сүйіктісі"), participant of the international festival "ABU TV song" in Istanbul, Turkey, and awarded with the Certificate of Honor of the President of the Republic of Kazakhstan for an important contribution into strengthening the unity of the people in Kazakhstan.
 He placed second in "Singer 2017".
No7 is a brand of anti-ageing creams, skincare and cosmetic products developed by Boots UK, so called because the number seven was, at the time, frequently used to denote perfection and Boots wanted it to stand out from the rest of the own-brand merchandise it produced.
 The TV campaign for the products uses the Jessie J song Sexy Lady as its theme tune.
Paul-James Corrigan is a Scottish stage and screen actor.
 He is best known for his roles as Adam in "Gary Tank Commander" and as Stevie Burns in "River City".
 He is known for his work with s1jobs, after fronting a TV campaign beginning in 2014 'Davie Knows'.
 The ad drew over 1.3 million views on YouTube.
TV-aksjonen ("The TV Campaign") is an annual national Norwegian charity fund raising event which has been run by NRK television since 1974.
 Contributions are collected door to door by approximately 100,000 volunteers, accepted via telephone or by funds transfer to the campaign's bank account.
 NRK also hosts a live auction with proceeds going to that year's chosen cause.
Pierre Guy Maubouché is a French actor, voice over artist, producer and casting director.
 As a visual actor he contributed to few movies including "The Last Horror Movie", but he is better known within the industry for his voiceover skills and contributions.
 Among the better known projects to which he contributed, we can note the worldwide 'Dolce & Gabbaba Light Blue Pour Homme' TV campaign, the cult Stella Artois English TV commercial "The Hero's Return" in which all the voices (beside the main characters and the females ones) are all his, the also cult Lynx (Axe) French TV commercial, the character Raven in the French version of the game 'Metal Gear Solid', and countless other projects as seen in his own website .
 Pierre has also done voiceover work with the Blue Man Group as the voice on the How To Be a Megastar Tour.
 and provided vocals for the Schiller song Soleil De Nuit.
 Pierre Maubouche is the voice of Discovery Channel (France) and ESPN (France), and appears very regularly as a promo/ident voice on Sky, National Geographic Channel, CNN and MTV.
Joan Turner (24 November 1922 – 1 March 2009) was a British comedian and singer born in Belfast and brought up in London.
 She appeared on stage and TV and had her own radio show, becoming the highest-earning female singer in Britain.
 But she proved difficult to work with, largely through her drinking habit, and lived for years as a down-and-out in Los Angeles.

Question: The TV campaign for the brand No7 uses a tune by a singer born in what city?
Answer: London