Working with Will.I.Am is exhausting, says Nicole Scherzinger

Former Pussycat Dolls` singer Nicole Scherzinger says working with rapper will.I.Am on his upcoming album `Willpower` was exhausting.

Robert finds stage appearance exhausting

Pattinson thinks appearing on stage would be "exhausting".

Angelina Jolie finds motherhood exhausting

Angelina Jolie says being a mother to six children is tiring and that she is able to relax only when she is working.