Hart began her professional career at 4 years old in a national commercial for a doll meant for bathtubs.

Hart has had many highs in her life, but has unfortunately had many lows too.

So I was worked probably longer hours than I should have been," she toldScary Mommy.

Melissa Joan Hart posing at an event

Beyond the workload, there was also the added pressure of being the breadwinner for an extremely large family.

“As I got older, some people were like, ‘Oh, that’s not right.

“And I was like …

Melissa Joan Hart posing at an event

So, I definitely felt like I wanted to be responsible for them.”

Still, even she has felt the sting of a temporarily attached scarlet letter.

The situation occurred when Hart was in her early 20s and appearing on “Sabrina the Teenage Witch.”

Melissa Joan Hart posing at an event

“My lawyer shows up and goes, ‘You did a photo shoot for Maxim magazine?’

I’m like: ‘Yes, I did.’

But that was in 2014 and, by then, Hart knew the drill.

Melissa Joan Hart posing at an event

The hate was really unbelievable just from that simple tweet.

Just by saying I was voting.”

Hart posted a shorter (but still loving) tribute to Sheehan 12 days later.

Melissa Joan Hart posing at an event

It’s such a tricky world right now.

“We helped a class of kindergartners across a busy highway.

They were climbing out of the woods.

Melissa Joan Hart posing at an event

They were trying to escape the shooter situation at their school,” Hart said in anInstagramvideo.

Six people died that day.