United Kingdom, May 21 -- Jessica Biel has sometimes forced herself to "put on a happy face".

The 43-year-old actress - who first rose to fame as a child star in '7th Heaven' when she was just 14 - has reflected on how she's reacted to being in the public eye over the years.

She told PEOPLE magazine: "I can understand sometimes feeling like you have to put on a happy face, or you know, smile and kind of grin and bear it.

"I've definitely done that in my past before... I understand wanting to hide some of my personal life or you know, just keep something sacred."

'The Better Sister' star was reflecting on how she feels some similarities with her character in the movie, who finds herself in the middle of a scandal and looking for privac...