• Actress Sandra Bullock is a renowned actress.

Actress Sandra Bullock is a renowned actress. (Photo : REUTERS/Lucas Jackson )

"Gravity" star Sandra Bullock recently expanded her tiny family by adopting an infant girl.

It seems that the adoption process has completed smoothly and little girl is already at home with the 51-year-old actress as she was spotted recently with an infant whose name has yet to be revealed. 

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Bullock had earlier adopted a son in 2010 from New Orleans whom she named Louis. The child is now five-years-old and it seems that he got a perfect playmate in the form of a baby sister. The actress has yet to comment on the new addition to her family.

Apparently the infant girl is not the only addition to the actress' seven-bedroom, 8,000-square-foot Beverly Hills estate as her rumored boyfriend, Bryan Randall has also moved in with her, Us Weekly reported.

The couple has been dating for the past few months, though, their relationship started surfacing in August when they were spotted on date night at Craig's West Hollywood. The actress reportedly also too the photographer to her close friend, Jennifer Aniston's wedding as her date for the evening.

Although the fact that the couple has not yet spoken publicly about each other or about the rumored relationship, they are often reported to be showing some PDA on almost all their public sightings.

The Oregon-bred father, who has a college going daughter from his previous relationship, met Bullock in January when she needed to someone to snap pictures at her son Louis' birthday party.

"They have discussed spending the rest of their life together, but taking day by day and just enjoying each other," E! News quoted a source as saying.