The late-night icon taped a surprise in-person appearance for Monday's The Drew Barrymore Show in honor of Barrymore's 46th birthday. "I'm so grateful that you're here," Barrymore told Letterman, whom she famously flashed on The Late Show in 1995. Letterman joked that the "Zoomer thing" was all his idea.
TOPICS: Drew Barrymore, The Drew Barrymore Show, David Letterman, Daytime TV