How old was Taylor Swift when she won her first Grammy?
20
21
21
21
21
21
17
18
21
17
20
18
21
22
17
20
18
21
23
22
17
20
18
21
23
22
17
20
18
21
23
22
17
20
18
21
23
22
17
20
18
16
21
23
22
17
20
18
29
16
21
23
22
17
20
18
29
25
16
21
15
23
22
17
20
18
29
25
16
21
15
23
22
17
19
20
18
29
25
16
21
15
23
28
22
17
19
20
18
14
29
24
25
16
21
15
23
28
22
17
19
20
18
14
29
24
25
16
21
15
23
28
13
22
26
17
19
20
18
27
14
29
24
25
16
21
15
23
28
13
22
26
17
19
20
18
27
14
29
24
25
16
21
15
23
28
13
22
26
17
19
20
18
27
14
29
24
30
25
16
15
23
28
13
22
12
26
17
19
20
31
18
27
14
29
24
30
25
16
15
23
28
13
22
12
26
17
19
20
31
18
27
14
29
24
30
25
16
23
11
20