Question: Who was the partner of Alex Joseph "AJ" Pritchard on the seventh series of "Britain's Got Talent"?

Context articles: Got Talent Portugal (season 5)
Česko Slovensko má talent
Alex Magala
AJ Pritchard
Britain's Got Talent (series 7)
India's Got Talent
Got Talent Portugal (season 4)
Chloe Hewitt
Canada's Got Talent
Talento Argentino

Got Talent Portugal (season 5) was the 5th season of the talent show Got Talent Portugal, Portuguese version of the hit got talent show Britain's Got Talent.
 Each judge can press the golden buzzer once in the auditions same as last year, such as the hosts.
 This year a new rule was made, the judges can give a unanimous golden buzzer that means the 3 judges can press the buzzer at the same time.
Česko Slovensko má talent ("Czechia Slovakia's Got Talent" or "Czecho Slovakia's Got Talent") is a Czech and Slovak televised talent show competition which started in August 2010 and originated from the "Got Talent" franchise.
 The show is a Thames production (formerly Talkback Thames) distributed by FremantleMedia and is produced in association with Syco TV.
 The show is broadcast on TV JOJ and Prima family.
 Anyone of any age with any sort of talent can audition for the show.
 Acts compete against each other to gain audience support while trying to become "the winner of "Czecho Slovakia's Got Talent"".
Alexandr Magala (born 24 June 1989 in Orhei) is a Moldovan entertainer and sword swallower who won "Russia's Got Talent" in 2014.
 He was also a finalist on "Britain's Got Talent" and "Italia's Got Talent", a semi-finalist on "Ukraine's Got Talent", and a quarter-finalist on "America's Got Talent."
Alex Joseph "AJ" Pritchard (born 5 November 1994) is an English dancer and choreographer, best known as a professional dancer on the BBC One dance series "Strictly Come Dancing".
 In 2013 Pritchard auditioned for the seventh series of "Britain's Got Talent" along with his partner Chloe Hewitt and reached the semi-finals.
The seventh series of Britain's Got Talent began airing on ITV on 13 April 2013 and ended on 8 June 2013.
 Ant & Dec returned to present the main show on ITV, while Stephen Mulhern returned to present spin-off show "Britain's Got More Talent" on ITV2.
 The judges were Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams, all of whom were judges for the sixth series.
India's Got Talent (sometimes abbreviated as IGT) is an Indian reality television series on Colors television network, founded by Sakib Zakir Ahmed and part of the global British "Got Talent" franchise.
 It is a cooperative effort between Colors and Britain's FremantleMedia.
 The first episode of "India's Got Talent" premiered on 27 June 2009.
 "India's Got Talent" follows the global "Got Talent" format, in which contestants audition in front of three judges and a studio audience.
 Up until the semifinal and final rounds, the judges decide whether or not a contestant advances in the competition.
 During the semifinal and final rounds, viewers vote on which contestants will advance.
Season 4 of the got talent show got talent Portugal, Portuguese version of the hit got talent show Britain's got talent.
Chloe Hewitt (born 27 July 1995) is an English dancer and choreographer.
Canada's Got Talent is a Canadian reality talent show series that debuted on the Citytv network on March 4, 2012, and part of the global "Got Talent" franchise.
 The logo used for "Canada's Got Talent" does not follow the logo from "America's Got Talent", but instead follows the logo from "Britain's Got Talent".
Talento Argentino is a television show, led by Mariano Peluffo, which airs on the Telefé channel.
 It is based on the English-format "Got Talent" series, which takes place simultaneously in other countries, such as "Britain's Got Talent" in Great Britain, "America's Got Talent" in the United States or "Got Talent", the Spanish version.