Question: What rap artist has been featured in duets by both artists B.o.B and Bow Wow?

Context paragraphs:
Beware of Dog (album): Beware of Dog is the debut studio album by American rapper Lil' Bow Wow.  It was released on September 26, 2000, by So So Def Recordings and Columbia Records.  Recording sessions took place from 1999 to 2000, with the executive production from Lil' Bow Wow's mentor Jermaine Dupri, and an American songwriter Bryan-Michael Cox.  The album was supported by four singles: "Bounce with Me" featuring Xscape, "Bow Wow (That's My Name)" featuring Snoop Dogg, "Puppy Love" featuring Jagged Edge, and "Ghetto Girls".

Let's Get Down (Bow Wow song): "Let's Get Down" is a song by American rapper Bow Wow, released on June 24, 2003 as the first single off his third album "Unleashed" (2003).  The song was written by Shad Moss, Phalon Alexander, Rahman Griffin and a then-unknown T.I..  It was produced by Jazze Pha and features rapper Birdman under his former alias "Baby".  It's the first song to be released by Bow Wow without the "Lil'" moniker in his name after making his film debut in 2002's "Like Mike" and releasing his cover of "Basketball" for the film's soundtrack.  Bow Wow said that following the name change, he wanted to do the same with his music by contributing more into the songwriting process of the album and release a single that matched his new image.

Erica Mena: Erica Mena (Born November 8, 1987), is a reality show personality.  Mena is a mother and former model.  Mena is known for her appearances in the show "", the original installment of the "Love & Hip Hop" franchise.  She wrote the books "Chronicles of a Confirmed Bachelorette" and "Underneath It All".  Among her previous rivalries was one with a former boyfriend Rich Dollaz.  She was previously in a relationship with Bow Wow They met on the show "106 & Park".  She had a miscarriage during their relationship.  They were engaged until Bow Wow rekindled his relationship with his child's mother.  This caused a public issue between Bow Wow and Mena.

Bounce with Me: "Bounce with Me" is a hip hop-R&B single by American rapper Lil' Bow Wow and features Xscape.  It is Lil' Bow Wow's debut single and the first single from his debut album "Beware of Dog".  The single samples Love Serenade (Part II) by Barry White and went on to spend one week at number one on the U.S. Rap Chart and number twenty on "Billboard" Hot 100.  The song was featured in the films "Big Momma's House" and "Hardball" via soundtrack and trailer respectively.  A radio remix and extended version featuring R.O.C. and Lil' Mo was also released.

Chris Brown: Christopher Maurice Brown (born May 5, 1989) is an American singer, songwriter, actor, and rapper.  Born in 1989 in Tappahannock, Virginia, he was involved in his church choir and several local talent shows from a young age.  Having signed with Jive Records in 2004, Brown released his self-titled debut studio album the following year.  It peaked at number two on the US "Billboard" 200 and was later certified double platinum by the Recording Industry Association of America (RIAA), selling an overall three million copies worldwide.  With his first single "Run It! " peaking atop the US "Billboard" Hot 100, Brown became the first male artist as a lead since Diddy in 1997 to have his debut single top the chart.  His second album "Exclusive" (2007) spawned his second Hot 100 number one "Kiss Kiss", in addition to "With You" and "Forever".  The album was also certified double platinum by the RIAA.  In addition to his solo commercial success, Brown has been featured on several singles such as "No Air", a duet with singer Jordin Sparks, "Shortie like Mine" with the rapper Bow Wow and "Shawty Get Loose" alongside Lil Mama and T-Pain.  The songs have peaked at number three, number nine and number ten on the US "Billboard" Hot 100 respectively.

Run It!: "Run It!"  is the debut single recorded by American recording artist Chris Brown.  It was written and produced by Scott Storch and Sean Garrett for his debut studio album, "Chris Brown" (2005).  It features rap verses from American rapper Juelz Santana.  The song was released as a single on June 30, 2005.  The remix features rappers "Bow Wow" and "Jermaine Dupri" and was performed at The 2006 "Nickelodeon Kids Choice Awards" by Bow Wow and Chris Brown.  The radio version of the song was featured on the 2006 compilation album "Now That's What I Call Music!  21".

Bow Wow (rapper): Shad Gregory Moss (born March 9, 1987), better known by his stage name Bow Wow (formerly Lil' Bow Wow), is an American rapper, actor and television host.  As Lil' Bow Wow, he released his first album, "Beware of Dog", in 2000 at age 13, which was followed by "Doggy Bag" in 2001.  In 2003, Bow Wow released his third album "Unleashed", which was the first album released without using Lil' in his name.  As of September 27, 2015, Bow Wow has signed a management deal to Bad Boy Records.

Wild Wild West (soundtrack): Wild Wild West is the soundtrack to the 1999 film of the same name.  It was released June 15, 1999, through Interscope Records and consisted mostly of hip hop music (none of which was in the movie, with the exception of the Will Smith and Enrique Iglesias tracks played over the end credits).  The soundtrack features a song by the film's main actor, Will Smith, along with other hip hop and R&B artists including BLACKstreet, Faith Evans, Dr. Dre, Missy Elliott, 702, Destiny's Child, Common, MC Lyte, Tatyana Ali, Slick Rick, Blaque, Nas, Snoop Dogg, Lil' Bow Wow, Puff Daddy, Jermaine Dupri and Eminem.  The soundtrack was very successful, peaking at number four on the US "Billboard" 200 and on the Top R&B/Hip-Hop Albums and features the hit single "Wild Wild West" which went to number one on the US "Billboard" Hot 100.  The album was certified double platinum a week after its release, June 21, 1999.  The album is also the debut of famous artists Lil' Bow Wow, Jill Scott and Kel Spencer.

Underground Luxury: Underground Luxury is the third studio album by American hip hop recording artist B.o.B.  The album was released on December 17, 2013, by Grand Hustle Records, Rebel Rock Entertainment and Atlantic Records.  The album was supported by five singles "We Still in This Bitch", "HeadBand", "Ready", "John Doe" and "Throwback".  The album features guest appearances from Future, 2 Chainz, T.I., Juicy J, Priscilla Renea, Ester Dean and Chris Brown among others.

Like You (Bow Wow song): "Like You" is a song by American rapper Bow Wow featuring singer Ciara.  It was written by Jermaine Dupri, Jaron Alston, and Johnta Austin, and produced by Dupri and Bryan Michael Cox for Bow Wow's fourth album "Wanted" (2005).  The song includes the keyboard chord of New Edition's "I'm Leaving You Again" written by Jaron Alson, Ricky Bell, and Ralph Tresvant.  "Like You" was released as the album's second single on August 2005 and reached number 3 on the "Billboard" Hot 100 and number 1 on the Hot R&B/Hip-Hop Songs chart.  "Like You" was Bow Wow's second top 10 hit on that chart, as was Ciara's fifth.  The song also charted in the top 40 in countries like Ireland, Germany and the UK.  To date, "Like You" remains Bow Wow's highest charting song.

Supporting paragraphs: Underground Luxury Chris Brown
Answer: Chris Brown