Complicated singer Avril Lavigne celebrates her birthday on September 27. She has captured the hearts of music lovers worldwide with her distinctive voice, rebellious spirit, and relatable lyrics. Throughout her career, she has delivered numerous chart-topping hits that have become anthems for a generation.

On Avril's birthday today let's take a look at five of her best songs that have left an indelible mark on the music industry. Cher Birthday Special: Witnessing Some Over-the-Top Fashion Moments by this Queen of Pop (View Pics) . Complicated catapulted Avril Lavigne to stardom and remains one of her most iconic songs to date.

With its catchy melody and honest portrayal of teenage angst, the song struck a chord with listeners around the globe. Its success solidified Avril's status as a leading force in the pop-punk genre. Sk8er Boi is a high-energy anthem that showcases Avril Lavigne's signature attitude and rebellious charm.

The song's narrative about love transcending social barriers resonated with fans and cemented its place as a timeless classic in Avril's discography. I'm With You revealed Avril Lavigne's emotional depth and vulnerability as an artist. The song's poignant lyrics and haunting melody captivated audiences and showcased a different facet of Avril's musical artistry.

Its enduring popularity has solidified it as one of her most beloved ballads. Taylor Swift Birthday Special: From Anti-Hero to Willow, 8 of the Singer’s Most Visually Appealing Music Videos! M.