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Hilton & Hyland

Christina Aguilera has finally sold her Sunset Strip home ... though she took a hit on the price!

Aguilera put it on the market back in 2008, when she and then-hubby Jordan Bratman (who we spotted out with a new lady) moved into a bigger, Beverly Hills mansion to make room for son Max (because an infant requires a mansion's worth of space.)

This 6,500-square-foot home sold for $4,653,815 (specific!) -- Aguilera bought it in 2003 for a more even $5,000,000.

The 4-bedroom, 7-bathroom home was first put on the market for $7,995,000 -- so Christina got way below her asking price. The home features a built-in bar, a master suite with two fireplaces, a fitness/massage room with mirrored walls, a screening room, a spa and a recording studio.

See all the pics in our gallery below!