Reba McEntire is known for her glam looks but she surprised fans on Tuesday when she shared a picture of herself in a mismatched outfit for a costume party.MORE: Reba McEntire divides fans as she counts down to big comeback with fiery throwbackThe country legend rocked a pair of blue dungarees with a floral blouse, purple scarf and yellow baseball cap for a 'Hillbilly Chili Cook Off' which she attended with boyfriend Rex Linn.WATCH: Country superstars Reba McEntire and Dolly Parton release first track togetherIt was a far cry from a week prior when the pair attended the 2022 Oscars ceremony and Reba joked on Instagram about "what a difference a week makes"."Swipe right to see what a difference a week makes. From red carpets to red peppers, we have fun either way!!" she captioned the post which saw a pic of the pair before the left for the ceremony on slide one, and the two on their porch on slide two.MORE: Inside Reba McEntire's chic home after selling $5million mansionMORE: Reba McEntire looks absolutely sensational in fringed black catsuitReba performed 'Somehow You Do' live at the ceremony leaving songwriter Diane Warren in tears.