Lance Armstrong Shows Off Another Picture of Baby Maxwell

Lance Armstrong showed off his adorable newborn son, Max, Saturday.

The biker and his girlfriend Anna Hansen were all smiles after bringing home the boy -- Armstrong's fourth kid -- from the hospital in Aspen, Colorado.

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"We have a a house full of family. All here to see the little man," Armstrong posted on Twitter. (He also shared more family portraits online as well.) "He's so amazing," Armstrong went on.

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Just after midnight Friday, Armstrong posted on Twitter that Maxwell Edward Armstrong was born and weighed in at 7-pound, 5-ounces and was 20 inches long. Armstrong posted that Hansen was in labor hours after he came in 12th at the Giro d'Italia grand tour in Rome on May 31.

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"Already at the airport in Rome," Armstrong posted on Twitter: "Headed home!! Baby #4 any minute now. CaNot wait!"