Los Angeles, April 17 -- Hollywood actress Jennifer Aniston is happy about the fact that her ex-husbandBrad Pitt and his partner Angelina Jolie have decided to tie the knot, according to sources. Rumourhas it that the former Friends star, who is currently in a relationship with actor Justin Theroux, is evenplanning to attend the wedding, reported Hollywoodlife. "Jennifer is happy for Brad and Angelina. She isso in love with Justin that she is really grateful how things turned out. If it wasn't for Angelina, Jenniferwould not have connected with Justin. I wouldn't be surprised if she even went to the wedding,"a source said. Pitt and Jolie confirmed their engagement last week. The couple are raising six kids,including Maddox, ten, Pax, nine, Zahara, seven, Shiloh, five and three-year-old twins Knox and Viviennewere delighted.