Question: Which rapper featured as a guest on the song "Bandz a Make Her Dance" joined the label Cash Money Records at the age of nine?

Context articles: Guerrilla Warfare (album)
Cash Money Millionaires
Let 'Em Burn
Papa Reu
Lil Wayne
Big Tymers
Ronald &quot;Slim&quot; Williams
Cash Money Records
If You're Reading This It's Too Late
Bandz a Make Her Dance

Guerrilla Warfare is the second studio album by the New Orleans hip-hop group Hot Boys, released July 27, 1999 on Cash Money Records.
 The Hot Boys highly anticipated sophomore effort, "Guerrilla Warfare", issued after Cash Money's distribution deal with Universal Records, was an instant hit.
 It debuted at #5 on the "Billboard" 200 and #1 on the Top R&B/Hip Hop Albums selling 142,000 copies in its first week, and remains their most successful album as a group and with Cash Money Records.
Cash Money Millionaires (also known as The Millionaires) was a supergroup of Cash Money recording artists from New Orleans, Louisiana, formed in 1996 and disbanded in 2001.
 The group was composed of the Big Tymer$ (Birdman and Mannie Fresh) and the Hot Boy$ (B.G., Juvenile, Lil Wayne and Turk).
 After meeting at Cash Money Records, established in 1991, the young money millionaires were introduced to the world in 2001, largely due to Lil Wayne's album, "500 Degreez".
 The Cash Money Millionaires went on numerous tours, including tours with the Ruff Ryders and Nelly.
 In September 2000, the Millionaires released "Baller Blockin", the soundtrack to the "Baller Blockin' " in which they starred.
 In 2001, the group disbanded due to monetary issues.
Let 'Em Burn is the third studio album by New Orleans rap group, Hot Boys, released March 25, 2003, on Cash Money Records.
 The album was originally recorded from 1998 to 2000, but wasn't released until 3 years later due to Juvenile, B.G. and Turk leaving Cash Money Records.
 All the production on the album is done by former Cash Money Records producer Mannie Fresh.
 "Let 'Em Burn" debuted at #14 on the billboard 200 selling 64,000 copies in its first week
Reuben Nero, better known by his stage name Papa Reu, is a Trinidad & Tobago-born rapper, singer, producer, song writer from Houston, Texas.
 He is also a former member of hip-hop record label Cash Money Records.
 He has established his own record label Reu Muzik, Inc. through which he has released three albums, namely "Xcuse Me", "U Know Me", and "Certified".
Dwayne Michael Carter, Jr. (born September 27, 1982), known professionally as Lil Wayne, is an American hip hop recording artist.
 In 1991, at the age of nine, Lil Wayne joined Cash Money Records as the youngest member of the label, and half of the duo The B.G.'z, alongside fellow New Orleans-based rapper Lil' Doogie.
 In 1996, Lil Wayne joined the southern hip hop group Hot Boys, with his Cash Money label-mates Juvenile, Young Turk and Lil' Doogie (who now goes by B.G.).
 Hot Boys debuted with "Get It How U Live!
", that same year.
 Most of the group's success came with their platinum-selling album "Guerrilla Warfare" (1999) and the 1999 single "Bling Bling".
 Along with being the flagship artist of Cash Money Records, Lil Wayne is also the Chief Executive Officer (CEO) of his own label imprint, Young Money Entertainment, which he founded in 2005.
Big Tymers (stylized as Big Tymer$) was an American duo that was active since 1993 to 2005 from New Orleans, Louisiana.
 Big Tymers consisted of Cash Money Records co-founder Birdman (then known as Baby) and former Cash Money in-house producer Mannie Fresh.
 Baby later changed his stage name to Birdman after the duo was dissolved.
 The Big Tymers released their debut album in 1997 titled "How You Luv That", and a re-release version of their debut album, "How You Luv That Vol.
 2" which gave them an abundant amount of publicity afterwards.
 They recorded their first platinum-selling album in 2000 titled "I Got That Work".
 The lead single from "I Got That Work", "Number One Stunna" peaked at No. 24 on the Billboard Hot R&B/Hip-Hop Singles & Tracks.
 The group released its most successful album in 2002 titled "Hood Rich".
 The album reached No. 1 on the Billboard Hot 200 and spawned a major hit in "Still Fly" which reached No. 11 on the "Billboard" Hot 100.
 Later in 2002, Mannie Fresh resigned from Cash Money Records because of financial dispute with Birdman, and his brother Slim.
 The group later reunited again in 2003 for their final album titled "Big Money Heavyweight".
 During an appearance on MTV RapFix, Lil Wayne announced that there will be a Big Tymers album featuring Birdman, himself, and Drake.
 Birdman stated that Mannie Fresh will not be a part of the project.
 The project is now unlikely to happen, due to the fading relationship between Birdman and Lil Wayne.
Ronald Jay "Slim" Williams (born 1964) is an American businessman who co-founded the record label Cash Money Records along with his younger brother, rapper Bryan "Birdman" Williams.
 As with his younger brother, he is the executive producer for much of Cash Money artist's albums, especially Lil Wayne.
 In February 2009, the Williams brothers were featured in CNBC's "Newbos: The Rise of America's New Black Overclass", a documentary show profiling several black multi-millionaires.
 Williams appeared in Lil Wayne's "Behind The Music" episode, which premiered September 10, 2009.
Cash Money Records (formerly styled as Ca$h Money Records) is an American record label founded by two brothers, Bryan "Birdman" Williams and Ronald "Slim" Williams.
 The label is distributed by Republic Records, which used to be Universal Republic.
 The label itself has been home to a roster of prominent hip hop artists that include Drake, Lil Wayne and Nicki Minaj, which has led Cash Money to being described as one of the most iconic and successful record labels in hip-hop history.
 Cash Money is estimated to be worth $300 million USD.
If You're Reading This It's Too Late is the fourth mixtape by Canadian rapper Drake.
 It was released through the iTunes Store without prior announcement on February 13, 2015, by Cash Money Records.
 The physical edition of the project was released by Cash Money Records; as well as OVO Sound, Young Money Entertainment and Republic Records.
 There is a debate upon whether this project is a mixtape or a studio album; although it was released commercially through his record label, Drake himself referred to the project as a mixtape.
"Bandz a Make Her Dance" is a song by American hip hop recording artist Juicy J.
 It was released on September 11, 2012 as the lead single from his third studio album "Stay Trippy" (2013).
 The song, produced by Mike WiLL Made It and co-produced by J-Bo, features guest appearances from fellow American rappers Lil Wayne and 2 Chainz.