Let the wedding planning begin!
Alamuddin's mom arrived at her home shortly after and was carrying a big congratulations balloon as well as some flowers.
And upon arrival at Heathrow Airport, the bride-to-be flashed that massive diamond ring Clooney gave her as she made her way outside.
The sightings come just two days after the couple celebrated their engagement with a star-studded party at Cafe Habana in Malibu, Calif., on Sunday. U2 frontman Bono, the restaurant's owner Rande Gerber and his supermodel wife, Cindy Crawford, were among those in attendance.