Jennifer Aniston recently turned 51. The Friends alum, who is proving age is just a number, took to Instagram to thank her friends and fans who showered her with birthday wishes. Soon after, she was seen stepping out to celebrate her birthday with friends. While paparazzi caught The Morning Show star making her way to the Sunset Tower Hotel in Los Angeles on Tuesday evening to bring the house, fans are keen to know if Brad will be making a guest appearance.