The cracks are beginning to show in Jennifer Aniston�s carefully maintained mask of happiness.

According to friends Aniston has become more and more anxious as her ex-husband, Brad Pitt�s, alleged wedding draws near and his new partner Angelina Jolie becomes more obviously pregnant.

The Star has reported that Aniston recently told her new man Vince Vaughn: �I�m struggling to get over Brad.�

To which he allegedly replied �Stop moping about Brad and Ange and move on.�

�Look, bury Brad. Have a little funeral for your marriage. What you had is over � face it. And start a new life. Today.�

Vaughn worked with both Jolie and Pitt on the set of their film �Mr & Mrs Smith�; he defended his old friend Brad by saying�

�The guy has got what he wants. He has an instant family and he�s perusing what appears to be a legitimate relationship with a woman he loves. Let him be!�

Vaughn has now allegedly banned Aniston from talking about the Jolie-Pitts at the Malibu home they share�will she be able to keep her tongue still?...