In what year was the album “Baby U!” released by MBLAQ?

In what year was the album “Baby U!” released by MBLAQ?: The album “Baby U!” was released in 2011 by MBLAQ, featuring 4 tracks.
What is the most successful song from the album “Baby U!” by MBLAQ?: “Baby U!” is the biggest hit from the album “Baby U!” by MBLAQ.

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