this commercial: Then: Doherty and Holly Marie Combs had been friends for years before the two joined up for ' Charmed.' Combs played the middle sister with the power to stop time, which eventually grew to incorporate molecular acceleration (i.e. Prior to the series, she was known best for her role in the show ' Picket Fences,' a gig she landed at the age of 18.
Now: Aside from a really small part in Steven Soderbergh's ' Oceans 11' -- she was that woman playing poker -- she was featured in a couple TV movies before landing the role of Ella Montgomery on ABC Family's ' Pretty Little Liars.' Then: Actress Lori Rom was originally cast in the role of Phoebe Halliwell, the youngest sister in this witchy trio with the power of premonition, but left after filming the (unaired) pilot for "personal reasons." That's when producer Aaron Spelling replaced her with his ' Melrose Place' star Alyssa Milano.
Then: Kicking off ' Charmed' season 3 was the introduction of Julian Mc Mahon's Cole Turner, a half-demon half-human "soldier of fortune" charged by "The Source" of all evil to destroy the Charmed Ones.
Then: As the eldest of the on-screen sisters, Shannen Doherty, of '90210' fame, played Prue, the witch with the power of telekinesis (initially only activated by intensely squinting her eyes) and astral projection.
The actress left the show after season 3 amidst rumors that she was feuding with co-star Alyssa Milano.
The actress became, reportedly, the bane of Doherty's existence.
While Milano was outspoken about their rocky relationship, sources at the time said Doherty was so fed up with her that she gave the network an ultimatum -- "it's her or me." And we know how that ended.