had remained significantly popular due to dance-pop, electropop and synth-pop in this decade. Artists like Taylor Swift, Katy Perry, Ariana Grande, Kesha, Miley Cyrus, Selena Gomez, Justin Bieber, Adele and Lady Gaga were very popular and chart-topping pop songs this decade include Kesha's "", Britney Spears' "Hold It Against Me", Bruno Mars's "Just the Way You Are", Perry's "Firework", Gaga's "Born This Way", Adele's "Rolling in the Deep", Rihanna's "We Found Love", Swift's "Shake It Off", Bieber's "Sorry", Ed Sheeran's "Shape of You", Grande's "Thank U, Next", Billie Eilish's "Bad Guy", and Gomez's "Lose You to Love Me". Dance-pop continued to be influenced by EDM with Justin Bieber's Purpose (2015) helping popularise Pop-drop in the mainstream along with fusing dance-pop with Tropical house and Future Bass EDM sub-genres. Popular songs like "Closer", "Shape of You", "Something Just like This", "Lean On", "Love Yourself", "Sorry", "I Took a Pill in Ibiza" and "Don't Let Me Down" were influenced by these genres. Taylor Swift's 1989 (2014) helped revive synth influences in pop with retro-futuristic pop growing in popularity in the late 2010s. English-Irish pop boyband One Direction and Canadian singer Shawn Mendes were some of the other acts that dominated the pop charts in the US this decade. Jonas Brothers made a comeback in 2019 and dominated the charts. Also from this decade were critically acclaimed works from Beyoncé, Lorde, Lana Del Rey, Taylor Swift, Kendrick Lamar, and Kanye West among others. New pop artists that emerged in that decade were Mike Posner, Ariana Grande, Halsey, Meghan Trainor, Bebe Rexha, Tori Kelly, Alessia Cara, Charlie Puth, Shawn Mendes, Julia Michaels, Maggie Rogers, Hailee Steinfeld, Lauv, Camila Cabello, Bazzi, Alec Benjamin, Billie Eilish, and Ava Max. Teenage Dream, Katy Perry's sophomore album, released on August 24, 2010 spawned 5 consecutive number-one singles. It was the second album in history, to produce 5 number-one singles, the first by a woman to achieve this milestone. Those number-one singles were "California Gurls", "Teenage Dream", "Firework", "E.T.", and "Last Friday Night (T.G.I.F.)". Rihanna earned the most #1 singles in the decade (nine), spending 41 weeks at the top of the chart, followed by Katy Perry with 8 #1 singles at a 26-week reign and Bruno Mars with 7 #1 singles leading 32 weeks. Justin Bieber and Taylor Swift both had five #1 singles this decade so far, Bieber spending 23 weeks at #1 and Swift with 18