By peoplestaff225
Updated September 19, 2008 01:30 PM

Alberto E. Rodriguez/Getty

Grr! Backstreet Boy Brian Littrell and 5 ½-year-old son Baylee Thomas Wylee make their best chihuahua faces as they attend the after party for Walt Disney Pictures’ Beverly Hills Chihuahua on Thursday evening in Hollywood.

Mom is Leighanne Littrell.