Jane Lynch will cheer on young activists at a July awards show. The actress, who plays formidable cheerleading coach Sue Sylvester in TV hit Glee, has signed up to host VH1's Do Something Awards. The bash, to be held in Los Angeles, honours those aged 25 and under who are trying to improve their community. One will win a 100,000 dollar grant at the event, taking place on July 19 and airing live on VH1 in the US. The awards will also recognise celebrities and organisations who are trying to make a difference.