Following her disappearance, friends and family started a campaign to find the Indiana University student, and a slew of stars have offered their support to help track her down.

In a Twitter post, Dushku writes: "Let's help find missing 20 yr (year) old Lauren Spierer, last seen at Indiana U."

Meanwhile, Lambert, her husband Blake Shelton, Scott Baio, Ryan Seacrest and Denise Richards also 're-Tweeted' a message to highlight Spierer's disappearance.