Kirstie Alley's most memorable roles from a life on screen – video obituary

Best known for her role in the popular 1980s sitcom Cheers, the US actress Kirstie Alley died aged 71 after being diagnosed with cancer. During her career she won two Emmy awards, and a Golden Globe in 1991, and another Emmy in 1994. She also appeared in a string of movies including Star Trek II, Summer School and most prominently Look Who's Talking and its sequels

• Kirstie Alley, Cheers and Look Who's Talking actor, dies aged 71