Question: The recording artist whose second single was 21st Century Girl made her acting debut in what 2007 film?

Documents:
source: Willow Smith
text: Willow Smith Willow Camille Reign Smith (born October 31, 2000), known professionally as Willow, is an American singer, actress and dancer. She is the daughter of Will Smith and Jada Pinkett Smith, the younger sister of Jaden Smith and the half-sister of Willard Carroll "Trey" Smith III. Smith made her acting debut in 2007 in the film "I Am Legend" and later appeared in "" alongside Abigail Breslin. She received a Young Artist Award for her performance.

source: 21st Century Girl (Willow song)
text: 21st Century Girl (Willow song) "21st Century Girl" is the second single by American recording artist Willow Smith.

source: 21st Century Girl (album)
text: 21st Century Girl (album) 21st Century Girl is the sixth studio album of the indie group Brazzaville.

source: Carla Lavatelli
text: Carla Lavatelli Carla Lavatelli (August 21, 1928 – January 18, 2006) was an Italian-American artist whose career spanned five decades, from the 1950s into the 21st century. Her work resides in the permanent collections of several major museums, including the San Francisco Museum of Art, the Phillips Collection in Washington DC, the Hakone Open-Air Museum in Japan, and the Cantor Arts Center at Stanford University. She was noted primarily for her abstract sculptures in stone and bronze, which appeared in reproduction in such publications as "Arts Magazine", "Art in America", and "Artforum " during the late 1960s and early 1970s.

source: Zack Hemsey
text: Zack Hemsey Zack Hemsey (born 1983) is an American recording artist, rapper and composer, whose work has been largely popularized through its use in films and film trailers. A notable example is a trailer for the 2010 film "Inception" which included his composed piece "Mind Heist". It's a common misconception that the piece for this trailer was composed by Hans Zimmer, who composed the score for the film. "Mind Heist" was also used for the introduction video for the video game "Madden NFL 12" and is sometimes used by the show "America's Got Talent". Hemsey's music has also been used in trailers for the films "2 Guns", "The Town", and "Lincoln". "Vengeance" was featured in the film "The Equalizer", in a trailer for the second season of the HBO program "Game of Thrones", and the trailer for the 21st Century Fox miniseries "", the latter airing during the 2014 Super Bowl.

source: 21st Century Digital Girl
text: 21st Century Digital Girl "21st Century Digital Girl" is the third and final single from the album "21st Century" by German trance group Groove Coverage. The song is an adaptation of Bad Religion's "21st Century Digital Boy".

source: Kudos (production company)
text: Kudos (production company) Kudos Film and Television is a British film and television production company. It has produced television series for the BBC, ITV and Channel 4, and its productions include "Spooks" (US:"MI5"), "Hustle", "Life on Mars" and its spin-off "Ashes to Ashes", "The Amazing Mrs Pritchard" and "M.I. High". In 2007 it was voted Best Independent Production Company by "Broadcast" magazine. Formed in 1992, since 2007 it has been part of the Shine Group. In 2007 it also set up the film unit, Kudos Pictures. In 2011, the Shine Group was 100% acquired by News Corporation (now 21st Century Fox), and in 2015, it was included in a 50%/50% joint venture between 21st Century Fox and Apollo Global Management's Endemol and CORE Media Group, as Endemol Shine Group.

source: 21st Century Girls
text: 21st Century Girls 21st Century Girls were a teenage all-girl band founded in 1996 in Dudley, West Midlands, UK. Previously called She Devil, the band originally consisted of singer Leanne Garner, her sister Fiona Garner on bass, guitarists Kate Turley and Meriam "Mim" Mohammad, and drummer Charlotte Fendek. Fendek later left the band, and Mohammad moved onto drums. In 1999, the band (then aged 14-16 years) were the first signing to Simon Fuller's 19 Recordings. After a big publicity campaign the band released their debut single, "21st Century Girls", in June 1999. The single reached number 16 on the UK charts.

source: East Jesus Nowhere
text: East Jesus Nowhere "East Jesus Nowhere" is a song by the American punk rock band Green Day. The single was released October 19, 2009. It was released as the third single from their eighth album "21st Century Breakdown". The title is derived from a phrase in the 2007 film "Juno".

source: 21st Century (Groove Coverage album)
text: 21st Century (Groove Coverage album) 21st Century (known as 21st Century Digital Girl on some online stores) is the third album of the German Eurodance band Groove Coverage, released on July 7, 2006. It was previously available a few days earlier than expected on the German version of iTunes. Compared to Groove Coverage's previous albums, "7 Years and 50 Days" and "Covergirl", this album contains much more pop music such as "21st Century Digital Girl", "What You C is What You Get", and a rock song, titled "Rock".

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Answer: I Am Legend