from artists like katy perry, kelly clarkson and miley cyrus. kesha alleging in her contract against dr. luke, for the past ten years, dr. luke has sexually physical ly physically abused mrs. sebert. dr. luke refuting those claims. telling abc news, that the outright lies. >> it ties into a bigger issue of sexual abuse that's been going on in the music business quite a bit recently. >> reporter: these images showing an emotional kesha inside court. while her fans gathered outside showering the star with support. on social media, the #freekesha becoming a top trend and her famous friends very publicly supporting her. from ariana grande, to kelly clarkson. demi lovato with a twitter storm of support.