I think if she ends up singing hallelujah, it's most likely gonna be as the "hometown dedication" (if it's one of the themes). they did hometown dedication as a theme last season so i could see them doing it again.
actually every season but 18 and 20 had hometown dedications as one of the finale themes.
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Alison Irwin - [X][X][][][]
Betty Yirsaw - [X][X][][][]
Britney Haynes - [X][X][][][]
Cassandra Shahinfar - [X][X][][][]
Danielle Reyes - [X][X][][][]
Ika Wong - [][][][][]
Janelle Pierzina - [X][X][X][X][]
Jun Song - [][][][][]
Karen Singbell - [X][X][X][X][]
Rachel Reilly - [X][X][X][X][]
Sarah Hanlon - [X][X][X][X][X] - OUT
Vanessa Rousso - [][][][][]
Sarah
ROUND RULES (Please copy with your vote): 5 votes per day, 1 hour apart. For each vote, you can vote for 1 houseguest and put an X in their box. Once a houseguest received 5 X's, they are eliminated from the competition. The last houseguest standing is the head of household of the round.