'That 70s Show' Star

I Was NOT On Drugs

In Crazy Mug Shot

4/5/2012 10:12 AM PDT BY TMZ STAFF

"That 70s Show" actress Lisa Robin Kelly insists she wasn't drunk or high when she posed for that wild-haired mug shot last weekend -- claiming all the accusations surrounding her arrest are "a bunch of made-up stuff."

Lisa appeared on "Good Morning America" today -- when she was asked point blank if she was on drugs at the time of her domestic violence arrest this weekend. Lisa responded, "Absolutely not. There is nothing that I was on or abusing at that time."

Lisa admits she has battled with alcohol abuse in the past -- but insists she is currently three months sober.

TMZ broke the story ... Lisa was arrested early Saturday morning on a felony charge of corporal injury upon a spouse -- after allegedly roughing up her ex-BF. Lisa insists she's innocent.