Paramore began recording their second album, Riot! in January 2007, ending production in March without rhythm guitarist Hunter Lamb (who left the band early in 2007 after getting married) without Lamb, lead guitarist Josh Farro was required to play both guitar parts on the album. Taylor York, who had been in a band with the Farro brothers before the two met Hayley Williams, joined as a replacement for Lamb.] After being courted by producers Neal Avron and Howard Benson, Paramore opted to record Riot! with New Jersey producer David Bendeth (Your Vegas, Breaking Benjamin), releasing the album on June 12, 2007. Riot! entered the Billboard 200 at number 20, the UK charts at number 24, and sold 44,000 its first week in the United States. 
    The name Riot! had been chosen because it meant "a sudden outburst of uncontrolled emotion", and it was a word that "summed it all up".The first single from the album, released June 21, 2007, "Misery Business", is, according to Williams, "more honest than anything I've ever written, and the guys matched that emotion musically."
      In January 2009, Josh Farro spoke about the band's upcoming third studio album. Talking to Kerrang!, Farro said: "We're gonna try to [record] it in Nashville. I think writing the album there will inspire us, and then if we record there too it'll be a lot easier since we can sleep in our beds at night rather than in hotels like the other 300 days out of the year! We're not sure who's going to produce the record yet. We did "Decode" with [producer] Rob Cavallo, which was a good experience, but we're looking around and don't want to make any decisions until we have a lot of songs and we know what we're looking for. We really enjoy our live sound and we want a producer who can really capture that." 
     On January 21, 2009, it was announced that Paramore will be the special guest with Bedouin Soundclash, The Sounds and Janelle Monae at the No Doubt Summer Tour 2009, starting in May 2009 in outdoor amphitheaters and arenas across the US and Canada.
Paramore wrote and completed their newest record Brand New Eyes in early 2009. The first single off of the album was "Ignorance" and was released July 7, 2009. The official music video for "Ignorance" aired on all MTV platforms, networks, and websites on August 13, 2009. Paramore, along with Paper Route and The Swellers, toured in support of Brand New Eyes in the fall of 2009.  Some tour dates were postponed due to Hayley Williams becoming infected with laryngitis.