By Kristen Johanson

By Kristen Johanson

PHILADELPHIA (CBS) — The Festival of Families will be held on the Benjamin Franklin Parkway Saturday evening. It’s a celebration of faith, community and family with Pope Francis, and Mark Wahlberg will serve as host.

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Hectic fanfare outside the Kimmel Center as Mark Wahlberg popped inside to greet fans during a movie screening of Invincible.

Wahlberg, who played the legendary 1970’s Eagles wide receiver, Vince Papale in the movie, says there were two reasons he decided to host the Festival of Families.

“Well, family and faith is the most important thing in my life, so anything I can do to get out there,” said Wahlberg.

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The father of four says he’s enjoying every moment of this event.

“I am excited to be back here in Philadelphia,” said Wahlberg.

And he has a message for those who may be suffering in this world.

“Family is the most important thing. Stay strong.”

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Singer Aretha Franklin, comedian Jim Gaffigan and the band, The Fray will also take part in the Festival of Families.