Question: Why I Love You was a song from the album collaborated on by which two American rappers?

Context paragraphs:
Watch the Throne: Watch the Throne is a collaborative studio album by American rappers Jay-Z and Kanye West, released on August 8, 2011, by Roc-A-Fella Records, Roc Nation, and Def Jam Recordings.  Before the album, Jay-Z and West had collaborated on their respective singles and with West as a producer on Jay-Z's work.  As longtime friends, they originally sought out to record a five-song EP together, but the project eventually evolved into a full-length album.  Recording sessions took place at various locations and began in November 2010.  Production on the album was led by West himself, alongside a variety of high-profile record producers including Mike Dean, Swizz Beatz, Sak Pase, Jeff Bhasker, The Neptunes and Q-Tip.

Cookin (Fat Joe and Remy Ma song): "Cookin" is a song recorded by American rappers Fat Joe and Remy Ma.  It was released on August 3, 2016, as the second single from their collaborative album, "Plata O Plomo".  The song, produced by Cool & Dre and iLLA, features guest vocals from rappers French Montana and Fat Joe's son RySoValid.

Why I Love You (Jay-Z and Kanye West song): "Why I Love You" is a song by American hip hop artists Kanye West and Jay-Z, from their first collaborative album "Watch the Throne" (2011).  The song features pop musician Mr Hudson who is signed to West's GOOD Music label.  "Why I Love You" heavily samples French house duo Cassius' 2010 single "I <3 U So", which itself is based upon a sample from the original 1971 version of "I Feel a Song (In My Heart)" by Sandra Richardson.  The song almost entirely features Jay-Z rapping and only contains a few lines provided by West.  Lyrically, the song is about the people who have stood in the way of Jay-Z throughout the year and expresses themes of victory and anger.  The song received positive reviews from critics who generally praised the production.

Hella Hoes: "Hella Hoes" is a song by American rappers ASAP Rocky, ASAP Ferg, ASAP Nast and ASAP Twelvyy from the New York-based hip hop collective ASAP Mob.  It was released as a single on June 6, 2014.  The official remix features additional verses by fellow American rappers Danny Brown and Aston Mathews.

Control (Big Sean song): "Control" is a song by American hip hop recording artist Big Sean, featuring fellow American rappers Kendrick Lamar and Jay Electronica.  The song was originally intended to be included on Big Sean's second studio album "Hall of Fame" (2013), but was ultimately removed from the final track-listing due to sample clearance issues.  "Control" impacted American mainstream urban radio on August 14, 2013 as a promotional single for "Hall of Fame".  The track contains samples such as "Where I'm From" (1997) by Jay-Z, "El Pueblo Unido Jamás Será Vencido" (1974) by Quilapayún and Sergio Ortega and an interpolation of "Get Bizy" (2011) by Terrace Martin, which also features fellow rappers Kendrick Lamar and Jay Electronica.

London Boy: London Boy is a mixtape by English rapper Chip, hosted by DJ Drama.  It was released on 25 December 2012 as the first release under his new record label, Grand Hustle via Chip's official website.  "London Boy" features guest appearances from label-mate rappers T.I., Iggy Azalea & B.o.B, American rappers Meek Mill, Young Jeezy, Trae tha Truth, British rappers Skepta, Wretch 32, Blade Brown and Professor Green, American recording artist Jeremih and British singer-songwriters Delilah and Loick Essien - including Mavado, Sevyn and Parker.  Production varies from S-X, Dready, The ThundaCatz and Don Cannon, among others.  The twenty-track mixtape consists of eighteen original compositions and two remixes.

Numb (August Alsina song): "Numb" is a song by American recording artist August Alsina, released on December 10, 2013, as the third single from his debut studio album "Testimony" (2014).  The song was produced by DJ Mustard and features guest appearances from American rappers B.o.B and Yo Gotti.  When it was originally released in October 2013 it featured West Coast rappers Iamsu!  and Problem.  The song has since peaked at number 39 on the US "Billboard" Hot R&B/Hip-Hop Songs.

All the Way Up (Fat Joe and Remy Ma song): "All the Way Up" is a song by American rappers Fat Joe and Remy Ma, featuring American rappers French Montana and Infared.  It was released on March 2, 2016 by RNG (Rap's New Generation) and EMPIRE, as the first single from their collaborative album "Plata O Plomo".  The song was produced by Edsclusive and Cool & Dre and recorded at Record Room Studios by Alexander Smith

Jonna Lee (singer): Jonna Emily Lee (born 3 October 1981) is a Swedish singer, songwriter, record producer and visual director.  Lee is best known for being the creator and artist of audiovisual online project iamamiwhoami who have since 2009 released their audiovisual series online, gathering a large online following.  She has since her first solo album collaborated with music producer and artist Claes Björklund who is also a member of iamamiwhoami.  In 2017, Lee started using the moniker ionnalee for her new solo project with the release of her debut solo song SAMARITAN.

Happy Birthday (mixtape): Happy Birthday is the fourth mixtape released by British rapper Tinie Tempah.  The mixtape was released for free download on December 16, 2011 on Disturbing London Records - featuring production from 3Mindz, S-X, Wizzy Wow and Stargate.  The mixtape title is "Happy Birthday" because the mixtape came into production around Tempah's 23rd birthday (November 7).  Tracks "Like It or Love It", "Lucky Cunt" and "Till I'm Gone (Remix)" were leaked prior to the mixtape release to create buzz, with "Like It or Love It" receiving minor radio airplay.  "Happy Birthday" features British rappers Chipmunk, Giggs, Wretch 32, G-Frsh, Tinchy Stryder and Krept and Konan, including a variety of American rappers; Soulja Boy, J. Cole and Big Sean, along with Wiz Khalifa, Pusha T and Jim Jones on the "Till I'm Gone" remix (originally released on August 29, 2011).  British vocalist J. Warner also makes a guest appearance.

Supporting paragraphs: Why I Love You (Jay-Z and Kanye West song) Watch the Throne
Answer: Jay-Z and Kanye West