Pop acts on television this week include:
Erin McCarley, who performs on ‘The Late Show with David Letterman’ (CBS) on Tuesday.
Pussycat Dolls, who perform on ‘The Tonight Show with Jay Leno’ (NBC) on Tuesday.
Little Joy, who perform on ‘Last Call with Carson Daly’ (NBC) on Tuesday.
Lady Gaga, who performs on ‘The Tonight Show’ (NBC) on Thursday.
Lenka, who performs on ‘Jimmy Kimmel Live’ (ABC) on Thursday.