Serena Williams built a 'karaoke room' in her Florida mansion

… of sister Venus, according to Architectural Digest. The room — hidden behind … only,” the sisters told the magazine in its new issue. “We … So when it came to designing her 14,500-square-foot … Olympia. Serena collaborated with Venus’ design firm V Starr for the …

… of sister Venus, according to Architectural Digest. The room — hidden behind … only,” the sisters told the magazine in its new issue. “We … So when it came to designing her 14,500-square-foot … Olympia. Serena collaborated with Venus’ design firm V Starr for the …