Pop Bytes: Alicia Keys + Kendrick Lamar Perform ‘Poetic Justice’ in Los Angeles + More

- Kendrick Lamar surprised concertgoers when he joined Alicia Keys on stage to perform a duet of 'Poetic Justice.' [TheDrop.fm]

- Rita Ora thought her career was ruined when Rob Kardashian was talkin' smack. [Evil Beet Gossip]

- Watch a preview of tomorrow's episode of 'Glee'! [Hypable]

- Idina Menzel will make a triumphant return to 'Glee'! [Rickey]

- Steven Tyler has a big huge crush on Taylor Swift. [Amy Grindhouse]

- Who are the 2013 SXSW style icons?! [Hollywire]

- Miley was definitely not the first to rock a blond pixie cut. Find out who was! [BuzzNet]

- Watch Iggy Azalea's new video for 'Work.' [PopBytes]

- Let's re-live Miley and Liam's breakup with GIFs. [StarCrush]

- Big Sean's album 'Hall of Fame,' will feature Lil Wayne, Kanye West and Miguel. [The Drop.fm]

- Watch the new lyric video for Katy Tiz's song 'Heart.' [YouTube]

- Check out these hilarious 'Harlem Shake' fails! [TheFW]