Question: Which pop group did this English singer, songwriter and actor of "Morning Sun" participate in?

Context articles: Hitomi Yoshizawa
Ryujin Kiyoshi
Morning Musume Tanjō 10nen Kinentai
Kei Yasuda
Morning Sun (song)
September Morn
Asahi Shimbun
Morning Musume Otomegumi
The Beautiful Girls
Robbie Williams

Hitomi Yoshizawa (吉澤 ひとみ , Yoshizawa Hitomi , born April 12, 1985 in Miyoshi, Saitama, Japan) is a former leader of the idol pop group Morning Musume, idol, actress, model and current member of the pop duo Hangry & Angry as Hangry.
 She is the current leader of the Hello!
 Project futsal team Gatas Brilhantes H.P. and the idol group derived from its lineup, Ongaku Gatas, and is also currently a member of Japanese pop group Dream Morning Musume.
Ryujin Kiyoshi (清 竜人 , Kiyoshi Ryūjin , born 27 May 1989) is a Japanese singer and songwriter.
 He debuted as a major label artist in 2009, with the single "Morning Sun."
 He is best known for this song, as well as writing Yui Horie's 2011 single "Immoralist."
Morning Musume Tanjō 10nen Kinentai (モーニング娘。誕生10年記念隊 , Morning Musume 10th Anniversary Group ) was a group made up of five past and (at that time) present members of the Japanese all-girl pop group Morning Musume created to celebrate Morning Musume's 10th anniversary.
Kei Yasuda (保田 圭 , Yasuda Kei , born on December 6, 1980 in Futtsu, Chiba, Japan) is a Japanese singer, musician and actress under the Up Front Agency's Hello!
 Project.
 She was a member and co-leader of the Japanese idol pop group Morning Musume.
 Yasuda, along with Mari Yaguchi and Sayaka Ichii, were the second generation of singers to be recruited into Morning Musume.
 Morning Musume had only released one official single, Morning Coffee, prior to their joining.
"Morning Sun" is the third official single from British singer-songwriter Robbie Williams' eighth studio album, "Reality Killed the Video Star".
 It was released on 8 March 2010, and it is the official charity single for Sport Relief 2010.
 Written around the time of pop star Michael Jackson's death, the song was originally meant to be a tribute to the late star.
 However, Williams' later commented that it was more about himself.
Matinée de Septembre (English: September Morn) is a controversial oil painting on canvas completed in 1911 by the French artist Paul Émile Chabas.
 Painted over several summers, it depicts a nude girl or young woman standing in the shallow water of a lake, prominently lit by the morning sun.
 She is leaning slightly forward in an ambiguous posture, which has been read variously as a straightforward portrayal of protecting her modesty, huddling against the cold, or sponge bathing.
 It has also been considered a disingenuous pose permitting the "fetishisation of innocence".
The Asahi Shimbun (朝日新聞 , ] , literally "Morning Sun Newspaper", English: Asahi News) is one of the five national newspapers in Japan.
 Its circulation, which was 7.96 million for its morning edition and 3.1 million for its evening edition as of June 2010, was second behind that of "Yomiuri Shimbun".
 The company has its registered headquarters in Osaka.
Morning Musume Otomegumi (モーニング娘｡おとめ組 , , also romanized as Morning Musume Otome Gumi) was one of the subgroups that the Japanese pop group Morning Musume was divided into in 2003.
 Its counterpart was Morning Musume Sakuragumi.
 The group's name is made up of "otome" (おとめ ) and "gumi" (組 ) , meaning "Young Girls' Group".
 Like Sakuragumi, purpose of Morning Musume Otomegumi was to perform in small towns with low-capacity venues.
 The group represented modern young women.
 Like their counterpart, they released two singles before entering indefinite hiatus.
The Beautiful Girls are an Australian roots music group founded in 2001 Mat McHugh, Clay MacDonald and Mitchell Connelly.
 They have released three extended plays, "Morning Sun" (2002), "Goodtimes" (2002) and "The Weight of the World" (2004); plus five studio albums, "Learn Yourself" (2003), "We're Already Gone" (2005), "Ziggurats" (2007), "Spooks" (2010), and "Dancehall Days" (2014).
 The latter four albums have all peaked into the top 20 on the ARIA Albums Chart.
 "Spooks" and "Dancehall Days" also debuted at No. 1 on the Australian Independent Chart and, No. 7&5 (respectively) on the American "Billboard " Reggae Albums Chart.
 Their single, "I Thought About You", reached No. 60 on the ARIA Singles Chart.
Robert Peter Williams (born 13 February 1974) is an English singer, songwriter and actor.
 He was a member of the pop group Take That from 1990 to 1995 and again from 2009 to 2012.
 He has also had commercial success as a solo artist.