Diego Fabbrini has been recalled from his Loan at Millwall by parent club Watford.
The 24-year-old has been immediately loaned back out, joining Birmingham City until the end of the season.
During his time in SE16, the popular Italian made 12 appearances for the Lions, scoring his only goal for the club against Sheffield Wednesday.
Fabbrini now joins Gary Rowett's Birmingham City side for the final seven games of the campaign.
Birmingham currently sit 15th in the Championship table.