Britney Spears: We Miss You Aaliyah!

Britney Spears keeps it casual comfy while exiting Barnes & Noble with a bag of goodies on Saturday (January 18) in Calabasas, Calif.

The 32-year-old entertainer was joined on the outing by her two adorable sons – Sean Preston and Jayden James.

PHOTOS: Check out the latest pics of Britney Spears

Earlier in the week, Britney was spotted breaking a sweat at a dance studio with her boyfriend David Lucado.

“#HappyBirthdayAaliyah! We miss your beautiful voice!” Britney recently tweeted about the late singer, who died in a plane crash in 2001.

30+ pictures inside of Britney Spears stopping by Barnes & Noble with her sons…