She's quite familiar with making waves in the public sphere, and it looks like she's gearing up for yet another comeback that might place her in the mainstream once more.Singer and actress Lindsay Lohandropped a video teaser on her social media platforms on Tuesday, cryptically assembling various news clips and social media snippets of the 33-year-old starlet that led to Lindsay uttering the words, 'I'm back' at the end.Most significantly, theMean Girls star wiped the entirety of the previous content on her Instagram feed before posting the new clip, which was accompanied by the caption, 'I’m back!' along with an eyes looking emoji.