Question: What artist collaboated with Snoop Lion to release Ashtrays and Heartbreaks?

Context articles: Reggae Gold 2013 (album)
Reincarnated (album)
Snoop Dogg filmography
Snoop Dogg
Detroit (mixtape)
Smoke the Weed
Reincarnated (film)
La La La (Snoop Lion song)
Ashtrays and Heartbreaks
D'Kings Men

Reggae Gold 2013 is a compilation reggae album from VP Records.
 It was released on July 23, 2013 and Reggae Gold is an annual series from VP Records beginning in 1992.
 The set begins with rap-star-turned-Rastafarian Snoop Lion's reggae-influenced sound on "Lighter's Up" featuring vocals from Kingston's Mavado and rising star Popcaan and then Major Lazer's "Jah No Partial" with Jamaican vocalist Johnny Osbourne.
 Reggae Gold 2013 features the talents of Beres Hammond & Shaggy, Gyptian, Konshens, Major Lazer featuring Johnny Osbourne and Snoop Lion featuring Mavado & Popcaan among others.
Reincarnated is the twelfth studio album by American recording artist Snoop Dogg.
 It is his only release under his reggae persona Snoop Lion.
 The album was released on April 23, 2013, under Berhane Sound System, Mad Decent, Vice Records and RCA Records.
 The album is his departure from hip hop and his debut in the reggae genre.
 The album's production was handled mainly by Diplo and his group Major Lazer.
Snoop Dogg has appeared in various video games, music videos, television series, and films such as the Oscar-winning drama Training Day and the critically acclaimed cable television series The L Word.
 He also has appeared in documentaries on Hip hop music and other subjects, and is the subject of a 2012 documentary, "Reincarnated", on his transformation into "Snoop Lion", a reggae artist.
Calvin Cordozar Broadus Jr. (born October 20, 1971), known professionally as Snoop Dogg (sometimes shortened to Snoop and formerly called Snoop Doggy Dogg and Snoop Lion), is an American rapper, singer, songwriter, record producer and actor.
 His music career began in 1992 when he was discovered by Dr. Dre, and as a result he was featured on Dre's solo debut, "Deep Cover", and then on Dr. Dre's solo debut album, "The Chronic".
 He has since sold over 23 million albums in the United States and 35 million albums worldwide.
Detroit is the fourth mixtape by American rapper Big Sean.
 It was released for free download on September 5, 2012, by G.O.O.D. Music.
 "Detroit" features guest appearances from these fellow rappers such as J. Cole, Juicy J, King Chip, French Montana, Royce da 5'9", Kendrick Lamar and Tyga - along with track narrations by Common, Young Jeezy and Snoop Lion.
 Wale and Wiz Khalifa are also featured in the bonus tracks.
 American singers includes Chris Brown, Jhené Aiko, James Fauntleroy and Mike Posner.
 Production derives from Hit-Boy, Da Internz, 808 Mafia's own producers Lex Luger and Southside and KeY Wane, among others.
 The mixtape primarily consisted of these completed original songs.
"Smoke the Weed" is a song by American recording artist Snoop Lion featuring recording artist Collie Buddz.
 It was released on December 23, 2013 by Berhane Sound System, Vice Records, Mad Decent, and RCA Records.
 "Smoke the Weed" is the eighth track from his twelfth studio album "Reincarnated" (2013).
Reincarnated is a documentary film about the musician Snoop Dogg's explorations of reggae and Rastafari culture, and his transformation into Snoop Lion.
 It premiered at the Toronto International Film Festival on September 7, 2012, and was released to theaters March 21, 2013.
 It is a companion film to his 12th studio album, "Reincarnated".
 The film was shot by Andy Capper of "Vice Magazine".
"La La La" is a song by American rapper Snoop Lion (mainly known as Snoop Dogg), taken from Snoop Lion's twelfth studio album "Reincarnated" (2013).
 The song was written by Snoop, Ariel Rechtshaid, Ken Boothe, Thomas Pentz, Joelle Clarke and William Cole, with production handled by Major Lazer and Dre Skull.
 "La La La" was released on July 20, 2012 as the promotional single from the album.
"Ashtrays and Heartbreaks" is a song by American recording artist Snoop Lion featuring American recording artist Miley Cyrus.
 It was released on April 4, 2013 by Berhane Sound System, Vice Records, Mad Decent, and RCA Records as the lead single from his twelfth studio album "Reincarnated" (2013).
D'Kings Men is a compilation album by recording artists of Nigerian record label DB Records, released on June 24, 2013, by the label and Sony Music.
 Nigerian recording artist D'banj started working on the album prior to splitting with his longtime business partner, Don Jazzy.
 The album produced eleven singles—"Oliver Twist", "Sister Caro", "Oyato", "Bachelor", "Top of the World", "Cashflow", "Don't Tell Me Nonsense", "For Example", "Finally", "Why You Love Me" and "Obimo (My Heart)".
 Production on the album was handled by Don Jazzy, Jay Sleek and Dee Vee.
 The album features guest appearances from Kanye West, Big Sean, Snoop Lion, Fally Ipupa, Durella, Olamide, Ikechukwu and Naeto C.
 Upon its release, "D'Kings Men" received mixed reviews from music critics.
 Many critics felt that the album failed to live up to the extensive publicity and recognition it gained.
 Moreover, critics complained about the album's rodomontading lyrics and derivative sound.