"Heart Attack" is a pop song by American singer-songwriter Demi Lovato. It was released in 2013 as the lead single from her fourth studio album, "Demi." The song is known for its catchy melody, powerful vocals, and lyrics that explore themes of love, vulnerability, and emotional turmoil. Here's more information about the song:

Genre and Style: "Heart Attack" is primarily a pop song with elements of pop-rock. It features a combination of upbeat and anthemic production with rock-infused guitar riffs.

Vocals: Demi Lovato showcases her strong and emotive vocals throughout the song, highlighting her vocal range and control.

Lyrics and Theme: The lyrics of "Heart Attack" revolve around the theme of love and the emotional impact it can have. The singer expresses feelings of vulnerability and fear of getting hurt again after a past relationship. The chorus features the lines "But you make me wanna act like a girl / Paint my nails and wear perfume / For you, make me so nervous that I just can't hold your hand."

Catchy Chorus: The song's chorus is highly infectious and has made it a memorable and recognizable track. Demi Lovato's vocal performance in the chorus adds to its emotional intensity.

Music Video: The music video for "Heart Attack" features Demi Lovato in various visually striking and symbolic settings, including scenes of her emerging from a pool of black liquid. The video complements the song's emotional and intense tone.

Commercial Success: "Heart Attack" achieved significant commercial success, receiving radio airplay and charting in multiple countries. It became one of Demi Lovato's signature songs and contributed to her growing popularity as a pop artist.

Album "Demi": "Heart Attack" is part of Demi Lovato's fourth studio album, "Demi," which was released in 2013. The album features a mix of pop and rock influences and marked a more mature and personal direction in her music.

Cultural Impact: "Heart Attack" is remembered as one of Demi Lovato's standout songs and a hit that showcased her vocal prowess and emotional depth as an artist.

Live Performances: Demi Lovato has performed "Heart Attack" at various live events and concerts, often delivering powerful and emotive renditions of the song.

Overall, "Heart Attack" is a powerful and catchy pop song by Demi Lovato that explores themes of love, vulnerability, and emotional turmoil. Its memorable chorus and Demi Lovato's strong vocals made it a signature track in her discography and a favorite among pop music enthusiasts.