Who dated Demi Lovato?

Demetria Devonne "Demi" Lovato ( DEM-ee lə-VAH-toh; born August 20, 1992) is an American singer, songwriter, and actress. After appearing on the children's television series Barney & Friends (2002–2004), she starred in the Disney Channel short series As the Bell Rings (2007–2008). Lovato rose to prominence for playing Mitchie Torres in the musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010). The former film's soundtrack featured "This Is Me", her debut single with Joe Jonas, peaking at number nine on the US Billboard Hot 100.

After signing with Hollywood Records, Lovato released her pop rock debut album, Don't Forget (2008), which debuted at number two on the US Billboard 200. Its follow-up, Here We Go Again (2009), debuted at number one in the US. Her third and fourth studio albums, Unbroken (2011) and Demi (2013), delved into pop and R&B, debuted at numbers four and three in the US, and featured the US top-ten singles "Skyscraper" and "Heart Attack". Lovato's fifth and sixth albums included soul influences; Confident (2015) earned a Grammy Award nomination, while "Sorry Not Sorry" from Tell Me You Love Me (2017) reached number six. After a hiatus, Lovato released her seventh and eighth albums, Dancing with the Devil... the Art of Starting Over (2021) and the rock-influenced Holy Fvck (2022), peaking at numbers two and seven in the US. Her ninth album, It's Not That Deep, followed in 2025, debuting at number nine in the US.

On television, Lovato starred as the titular character on the sitcom Sonny with a Chance (2009–2011), judged the American series of The X Factor for two seasons (2012–2013), appeared on the musical comedy Glee (2013–2014) and the sitcom Will & Grace (2020), and hosted her self-titled talk show and the docuseries Unidentified with Demi Lovato (both 2021). She also starred in the comedy film Princess Protection Program (2009), the animated films Smurfs: The Lost Village (2017) and Charming (2018), the musical comedy Eurovision Song Contest: The Story of Fire Saga (2020), the co-directed documentary Child Star (2024), and the drama film Tow (2025).

Lovato has sold over 30 million records worldwide. Her accolades include an MTV Video Music Award, fourteen Teen Choice Awards, five People's Choice Awards, and a Guinness World Record; she was included on the Time 100 annual list in 2017. She co-founded the record label Safehouse Records with Nick Jonas in 2015 and has been active in social causes. Her struggles with an eating disorder, substance abuse, and self-harm led to her self-help memoir Staying Strong: 365 Days a Year (2013), and the documentaries Demi Lovato: Stay Strong (2012), Demi Lovato: Simply Complicated (2017), and Demi Lovato: Dancing with the Devil (2021).

Joseph Adam Jonas (born August 15, 1989) is an American singer, songwriter, and actor. He rose to fame as a member of the pop rock band the Jonas Brothers, alongside his brothers Kevin and Nick. The group released their debut studio album It's About Time through Columbia Records in 2006. After signing with Hollywood Records, the group released their self-titled second studio album in 2007, which became their breakthrough record. The band became prominent figures on the Disney Channel during this time, gaining a large following through the network: they appeared in the widely successful musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010) as well as two of their own series, Jonas Brothers: Living the Dream (2008–2010) and Jonas (2009–2010).

The band's third studio album, A Little Bit Longer (2008), saw continued commercial success for the group; the album's lead single "Burnin' Up" hit the top five on the Billboard Hot 100 chart. Their fourth studio album, while still successful on the Billboard 200 chart, saw a decline in record sales. After the group confirmed a hiatus, Joe released his debut solo studio album, Fastlife (2011), which saw moderate commercial success. After the Jonas Brothers officially parted ways due to creative differences, Jonas formed the funk-pop band DNCE in 2015, serving as the lead vocalist. The group saw the significant commercial success of their debut single "Cake by the Ocean", which peaked at number 9 on the Billboard Hot 100 chart in the United States.