Question: Which was formed first, Last Child or The Pretty Reckless?

Context paragraphs:
Cliff Chenfeld: Cliff Chenfeld is the co-founder and co-CEO of Razor & Tie, an American entertainment company.  Chenfeld grew up in Columbus, Ohio, and graduated from The Ohio State University and earned his law degree from New York University where he met fellow student Craig Balsam.  After practicing law for several years, Chenfeld and Balsam left their law jobs in 1990 and formed Razor & Tie, an independent record label.  The label initially focused on compilation albums (Monster Ballads) and reissues and has since become one of the leading rock labels in the country with artists such as The Pretty Reckless, Starset, All That Remains, The Sword and Red Sun Rising.  In recent years the company has added Washington Square, an alternative leaning imprint and a music publishing company.  Razor & Tie Publishing is responsible for No. 1 hits including "Home" by Phillip Phillips, "God Gave Me You" by Blake Shelton, and "Whiskey In My Water" by Tyler Farr.

The Pretty Reckless: The Pretty Reckless is an American rock band from New York City, formed in 2009.  The band consists of Taylor Momsen (lead vocals, rhythm guitar), Ben Phillips (lead guitar, backing vocals), Mark Damon (bass) and Jamie Perkins (drums).

Kill Me: "Kill Me" is a song by American rock band The Pretty Reckless, released as a single on December 7, 2012 by Interscope Records.  The song was initially intended to serve as the lead single from the band's then-untitled second studio album, as announced by lead singer Taylor Momsen through her Twitter account.  However, after The Pretty Reckless moved record labels from Interscope to Razor & Tie, "Kill Me" was left out of the band's second album, "Going to Hell" (2014), although it was included as a bonus track on the Japanese edition of the album.

The Pretty Reckless (EP): The Pretty Reckless is the self-titled debut EP by American rock band The Pretty Reckless.  The album was released on June 22, 2010, by Interscope Records.  The album's lead single, "Make Me Wanna Die", was released on May 13, 2010.

Last Child (band): Last Child is an Indonesian pop punk/ alternative rock band formed in 2006.  The band's current members are Virgoun Teguh (vocals and guitar), Rachmad Firdaus (guitar), Dimas Rangga (vocals and bass).  It has released one mini album and two studio albums.

The Pretty Reckless discography: American rock band The Pretty Reckless has released three studio albums, two extended plays, 11 singles and 12 music videos. Originally named The Reckless, the band was formed in early 2009, with Taylor Momsen in the vocals, Ben Phillips in lead guitar, Mark Damon in bass and Jamie Perkins in drums.

Going to Hell: Going to Hell is the second studio album by American rock band The Pretty Reckless, released in March 2014 by Razor & Tie.  The album debuted at number five on the "Billboard" 200 with 35,000 copies sold in its first week, becoming the band's first top-10 album on the chart.  "Going to Hell" spawned five singles, including "Heaven Knows", "Messed Up World (F'd Up World)", and "Follow Me Down", all three of which reached number one on "Billboard"' s Mainstream Rock Songs chart.

Light Me Up Tour: The Light Me Up Tour is the first headline tour by the hard rock band The Pretty Reckless.  In the summer of 2010 American the band set off on tour in support of their debut studio album, "Light Me Up".

Craig Balsam: Craig Balsam is the Co-Founder and Co-CEO of Razor & Tie, an American entertainment company.  Balsam grew up in Millburn, New Jersey, graduated from Emory College and earned his law degree from New York University where he met fellow student Cliff Chenfeld.  After practicing law for several years, Balsam and Chenfeld left their law jobs in 1990 and formed Razor & Tie, an independent record label.  The label initially focused on compilation albums (Monster Ballads) and reissues and has since become one of the leading rock labels in the country with artists such as The Pretty Reckless, Starset, All That Remains, The Sword and Red Sun Rising.  In recent years the company has added Washington Square, an alternative leaning imprint and a music publishing company.  Razor & Tie Publishing is responsible for No. 1 hits including “Home” by Phillip Phillips, “God Gave Me You” by Blake Shelton, “Whiskey In My Water” by Tyler Farr, “We Went” by Randy Houser and “Alone With You” by Jake Owen.

Mother (Blondie song): "Mother" is the lead single from Blondie's ninth studio album "Panic of Girls" and was written by Kato Khandwala, Ben Phillips (Guitarist for The Pretty Reckless) and the band's lead singer Deborah Harry.  It was released in the United Kingdom on May 22, 2011, on all major online platforms.  It is the first single release from the band since "Good Boys" in 2003.

Supporting paragraphs: Last Child (band) The Pretty Reckless
Answer: Last Child